Boots

Explore the whole mountain. Inbounds powder stash or beyond the gates, the Alltrack 70 is designed to ski it all. A releasable cuff offers a natural range of motion for hiking, and the Generative Design Grid shell is engineered for reduced weight and full power transmission to handle all conditions. The 102mm last and custom liner offer all-day comfort for exploring the whole mountain. Regular Fit Women's-specific regular fit features a 102mm last for recreational skiing and all-day comfort Lightweight, Full Power Generative Design Grid minimizes boot wall thickness for the most effective use of material to reduce weight and enhance power transfer Better Skiability, Better Fit Dual-Core technology provides targeted power transmission and shell wrapping, resulting in livelier rebound, response, and control Optimized Hike Mode The lower boot shell is designed to offer a 50-degree range of motion in walk mode for efficient touring and maximum power for skiing when in ski mode Women's-Specific Fit The shorter, tulip-shaped cuff eliminates pressure around the shin and calf muscle for increased comfort and performance Custom Comfort and Precision Full custom liners are 100% customizable for enhanced comfort, precision and performance GRIPWALK Compatible (sold separately) GRIPWALK soles feature a rubber tread and rockered toe for a more natural walking motion and increased traction

Chase untracked lines inbounds or out in the women's Alltrack Elite 100 LT W. This no-compromise free-touring boot features tech-fittings for alpine touring binding compatibility. It has a releasable cuff for a natural range of motion on the skin track or boot pack and a 98mm last for a precise fit. The Generative Design Grid shell is engineered for reduced weight and full power transmission on-piste or off and everywhere in between. The pre-shaped, full custom liner includes Thinsulate insulation and a touring specific design for enhanced mobility. Skinny Fit Women's-specific skinny fit features a 98mm narrow last for a high-performance, low-volume fit Lightweight, Full Power Generative Design Grid minimizes boot wall thickness for the most effective use of material to reduce weight and enhance power transfer Better Skiability, Better Fit Dual-Core technology provides targeted power transmission and shell wrapping, resulting in livelier rebound, response, and control Lightweight Freetouring Performance Grilamid plastic is incredibly lightweight while offering superior rebound and response Optimized Hike Mode The lower boot shell is designed to offer a 50-degree range of motion in walk mode for efficient touring and maximum power for skiing when in ski mode Tech-Binding Compatible Dynafit certified tech inserts for reliable free-touring performance Touring Comfort Optimized for the ascent with our lightweight liner construction enhanced for climbing mobility, durability and comfort Women's-Specific Fit The shorter, tulip-shaped cuff eliminates pressure around the shin and calf muscle for increased comfort and performance Insulated Warmth and Support Thinsulate Stretch insulates while providing enhanced foot support for better skiability Full Custom Comfort, Anatomic Fit Pre-shaped full custom liners offer anatomic ankle support and 100% customizable for enhanced comfort, precision, and power transmission GRIPWALK Compatible (sold separately) GRIPWALK soles feature a rubber tread and rockered toe for a more natural walking motion and increased traction

Inbounds powder laps or exploring the back bowls, the Alltrack Pro 100 is designed to ski the whole mountain. A releasable cuff offers a natural range of motion for hiking and a 100mm last balances comfort and control. The Generative Design Grid shell is engineered for reduced weight and full power transmission in all conditions and terrain. The full custom liner is thermo-moldable for a precise fit. Medium Fit Medium fit features a 100mm last for a precise, comfortable fit that balances comfort and control Lightweight, Full Power Generative Design Grid minimizes boot wall thickness for the most effective use of material to reduce weight and enhance power transfer Better Skiability, Better Fit Dual-Core technology provides targeted power transmission and shell wrapping, resulting in livelier rebound, response, and control Optimized Hike Mode The lower boot shell is designed to offer a 50-degree range of motion in walk mode for efficient touring and maximum power for skiing when in ski mode Custom Comfort and Precision Full custom liners are 100% customizable for enhanced comfort, precision, and power transmission Insulated Warmth and Support Thinsulate Stretch insulates while providing enhanced foot support for better skiability GRIPWALK Compatible (sold separately) GRIPWALK soles feature a rubber tread and rockered toe for a more natural walking motion and increased traction

Chase untracked lines inbounds or out in the Alltrack Pro 110 LT. This no-compromise free-touring boot features tech-fittings for alpine touring binding compatibility and a releasable cuff for a natural range of motion on the skin track or boot pack. The 100mm last shell is engineered for minimal weight and maximum power transfer in all conditions and terrain. The pre-shaped liner features Thinsulate for added warmth and is thermo-moldable for a full custom fit. Medium Fit Medium fit features a 100mm last for a precise, comfortable fit that balances comfort and control Lightweight, Full Power Generative Design Grid minimizes boot wall thickness for the most effective use of material to reduce weight and enhance power transfer Better Skiability, Better Fit Dual-Core technology provides targeted power transmission and shell wrapping, resulting in livelier rebound, response, and control Optimized Hike Mode The lower boot shell is designed to offer a 50-degree range of motion in walk mode for efficient touring and maximum power for skiing when in ski mode Tech-Binding Compatible Dynafit certified tech inserts for reliable free-touring performance Full Custom Comfort, Anatomic Fit Pre-shaped full custom liners offer anatomic ankle support and 100% customizable for enhanced comfort, precision, and power transmission Insulated Warmth and Support Thinsulate Stretch insulates while providing enhanced foot support for better skiability Touring Comfort Optimized for the ascent with our lightweight liner construction, enhanced for climbing mobility, durability and comfort GRIPWALK Compatible (sold separately) GRIPWALK soles feature a rubber tread and rockered toe for a more natural walking motion and increased traction

Explore the winter landscape in the women's BC X5 backcountry ski boot. Designed for use on mid-width touring skis, the boot offers a versatile blend of lightweight touring mobility and off-trail performance. An insulated lining and thermo-moldable liner keep feet warm and comfortable, while the hinged external cuff offers stability and control for exploring off-trail. Stability, Control A wide Rottefella Nordic BC sole delivers the stability and control for wider skis and varied snow conditions Freedom and Control Our Mobile Cuff optimizes fore/aft freedom and torsional rigidity for total control Extra Warmth 3M Thinsulate heat-retaining insulation delivers increased warmth in damp and cold conditions for all-day comfort and warmth Women's Fit Our FW Fit offers reduced instep volume and narrower fit from midfoot through heel for increased comfort and precision Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort

Comfort and control. Beginner skiers get the best of both worlds in the Evo 70. The generous 104mm last addresses all of the common problem fit areas, providing an accommodating instep and more comfortable ankle area. The result is increased circulation, warmth and carving comfort on the mountain. A three-buckle shell delivers confident control, while the customizable liners offer enhanced comfort. Relaxed Fit Relaxed Fit features a 104mm last with a wider forefoot, toe box, and ankle areas for generous all-day comfort and support Reduced Weight, Full Power Engineered Sensor Matrix shell design reduces boot weight and delivers direct-to-ski energy transfer Easy Entry Softer plastic around the instep allows for easier opening of the boot overlap for smooth entry and exit Custom Comfort Custom liners offer internal customization for enhanced comfort and support GRIPWALK Compatible (sold separately) GRIPWALK soles feature a rubber tread and rockered toe for a more natural walking motion and increased traction

Inspire your young skier to explore the mountain. The Fun Girl J4 sets progressing skiers up for fun on the mountain with a focus on comfort, performance, and warmth. The shell design addresses common problem fit areas and offers an adjustable cuff and four-buckle closure for enhanced support and a customizable fit. Junior Last Boot shell addresses common problem fit areas for a comfortable fit Focus on Comfort Comfort fit liners feature soft materials for all-day cushioning and warmth Diagonal Buckle Diagonal buckles offer more natural foot wrapping and better heel hold

Race-inspired power for juniors. The Hero World Cup 70 SC is a high-performance race boot for competitive junior racers. It features a softer 70 flex rating. The 97mm last provides increased comfort, circulation and warmth while still maintaining a performance fit. A short cuff design accommodates a natural stance and range of motion for smaller athletes, further increasing comfort and performance. Narrow Fit Narrow Fit features a 97mm last for a race-inspired fit with a contoured forefoot and strong heel cup for a superb balance of performance, control, and comfort Better Skiability, Better Fit Dual Core shell technology provides targeted power transmission and shell wrapping, resulting in livelier rebound, response, and control Short Cuff Design A shorter upper cuff provides a more natural stance for skiers with shorter legs to increase balance, comfort, and performance Racing Precision Racing liners feature anatomic high-density foam padding for optimized precision and performance

Race-inspired power for juniors. The Hero World Cup 90 SC is a high-performance race boot for competitive junior racers. It features a stiff 90 flex rating. The 97mm last provides increased comfort, circulation and warmth while still maintaining a performance fit. A short cuff design accommodates a natural stance and range of motion for smaller athletes, further increasing comfort and performance. Narrow Fit Narrow Fit features a 97mm last for a race-inspired fit with a contoured forefoot and strong heel cup for a superb balance of performance, control, and comfort Better Skiability, Better Fit Dual Core shell technology provides targeted power transmission and shell wrapping, resulting in livelier rebound, response, and control Short Cuff Design A shorter upper cuff provides a more natural stance for skiers with shorter legs to increase balance, comfort, and performance Racing Precision Racing liners feature anatomic high-density foam padding for optimized precision and performance

Comfort and control. Beginner skiers get the best of both worlds in the Kelia 50. The women's-specific generous 104mm last addresses all of the common problem fit areas, providing an accommodating instep and more comfortable ankle area. The result is increased circulation, warmth, and carving comfort on the mountain. A three-buckle shell delivers confident control, while the customizable liner enhances comfort. Relaxed Fit Women's-specific relaxed fit features a 104mm last for wider feet and recreational skiers who place a premium on comfort Reduced Weight, Full Power Engineered Sensor Matrix shell design reduces boot weight and delivers direct-to-ski energy transfer Easy Entry Softer plastic around the instep allows for easier opening of the boot overlap for smooth entry and exit Women's-Specific Fit The shorter, tulip-shaped cuff eliminates pressure around the shin and calf muscle for increased comfort and performance Custom Comfort Custom liners offer internal customization for enhanced comfort and support GRIPWALK Compatible (sold separately) GRIPWALK soles feature a rubber tread and rockered toe for a more natural walking motion and increased traction

Set up your young skier to explore and enjoy winter. The X1 Junior cross-country ski boot gives young skiers the warmth and stability they need to have fun on skis. A traditional lace-up build makes for easy on and off, while the touring-specific sole works with the binding for added support.

Explore the winter landscape in the BC X5 backcountry ski boot. Designed for use on mid-width touring skis, the boot offers a versatile blend of lightweight touring mobility and off-trail performance. An insulated lining and thermo-moldable liner keep feet warm and comfortable, while the hinged external cuff offers stability and control for exploring off-trail. Stability, Control A wide Rottefella Nordic BC sole delivers the stability and control for wider skis and varied snow conditions Freedom and Control Our Mobile Cuff optimizes fore/aft freedom and torsional rigidity for total control Extra Warmth 3M Thinsulate heat-retaining insulation delivers increased warmth in damp and cold conditions for all-day comfort and warmth Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort

Train or race. The X8 Classic ski boot is designed for fitness-oriented skiers and junior racers. Its race-inspired design shares technology with our athlete-proven X-ium series to deliver increased precision and power transfer with an accessible flex for fitness and recreational use. The classic-specific sole delivers a natural foot roll for an efficient kick, while the locked-in fit and thermo-moldable design provide a precise, enveloped fit to deliver ultimate comfort and control. Precise Boot Flex, Fit Dual Core Technology allows targeted boot stiffness for the most responsive feel without a weight penalty Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski Breathable Warmth WINTHERM offers a breathable micro-perforated membrane that reflects heat back towards its source for incredible temperature regulation, comfort, and warmth Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort

Challenge the competition. World Cup-inspired design and a low-volume fit give the X10 Skate ski boot a responsive feel and podium-worthy precision for motivated athletes. The skate-specific design shares technology with our athlete-proven X-ium series to deliver competition-worthy control and feel. They are insulated for warmth and protect your feet from wind and moisture. Precise Boot Flex, Fit Dual Core Technology allows targeted boot stiffness for the most responsive feel without a weight penalty Optimized Skate Flex Carbon midsole insert provides increased stability and precision for optimized skating performance Breathable Warmth WINTHERM offers a breathable micro-perforated membrane that reflects heat back towards its source for incredible temperature regulation, comfort, and warmth Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort

Train or race. The X8 Skate ski boot is designed for fitness-oriented skiers and junior racers. It features a race-inspired build that shares technology with our athlete-proven X-ium series for increased precision and power transfer. The skate-specific, low-profile sole delivers a natural foot roll for efficient skating, while the locked-in feel and thermo-moldable design provide a precise, enveloped fit to deliver ultimate comfort and control. Precise Boot Flex, Fit Dual Core Technology allows targeted boot stiffness for the most responsive feel without a weight penalty Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski Breathable Warmth WINTHERM offers a breathable micro-perforated membrane that reflects heat back towards its source for incredible temperature regulation, comfort, and warmth Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort

Feel the power. Enjoy the versatility. The X6 SC is a combi boot for fitness-oriented skiers that emphasizes control and comfort for mixed skate and classic skiing. The foot-hugging build and heel cup lock in your foot for increased precision and power transfer, while the low-profile sole and cuff promote a natural foot roll and stride. Thermo-moldable fit and asymmetrical lacing provide a precise, enveloped fit to deliver ultimate comfort and control. Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski Quick, Easy Closure Speed Lace Lock system offers fast, easy closure for increased support Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort

Let the warmth and stability of the X1 cross-country ski boot guide your next ski day. The entry-level touring boot features a traditional lace-up design for easy on and off, while a touring-specific sole works with the binding for increased support as you kick and glide through winter. Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski

The X2 is an introductory touring boot with warmth and stability for all-around use. The boot's tall cuff and zip-up lace cover seal out snow, while the foam lining wraps your foot for warmth. The touring-specific sole and lateral heel support provide stability for all-around trail skiing. Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort

Set yourself up to explore winter. The X5 touring boot offers support, stability, and control for on- and off-trail skiing. Designed for adventurous recreational skiers, the boot's tall cuff and lace cover seal out snow, while the thermo-moldable fit allows for customized comfort. A powerstrap complements the hinged cuff design for stability and range of motion, for a natural stride no matter where the snow takes you. Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski Quick, Easy Closure Speed Lace Lock system offers fast, easy closure for increased support Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort

Choose adventure. The X5 OT touring boot bridges the gap between on-trail and backcountry touring. The thermo-moldable fit offers custom comfort, while Thinsulate insulation and an adjustable gaiter add off-trail versatility and warmth. The reinforced cuff and powerstrap complement a stiff touring sole for added stability. The hinged cuff supports a natural range of motion and full stride to take you beyond the groomed. Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski Quick, Easy Closure Speed Lace Lock system offers fast, easy closure for increased support Extra Warmth 3M Thinsulate heat-retaining insulation delivers increased warmth in damp and cold conditions for all-day comfort and warmth Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort

The right fit for all-day performance. The Pure Comfort 60 delivers award-winning power and precision in a customizable, boot-fitter friendly design. The Sensor Matrix shell design lightens the boot and helps focus energy directly into the ski. A women's-specific 104mm last provides a relaxed fit. Insulated liners are customizable for superior comfort and warmth. Relaxed Fit Women's-specific relaxed fit features a 104mm last for wider feet and recreational skiers who place a premium on comfort Easy Entry Softer plastic around the instep allows for easier opening of the boot overlap for smooth entry and exit Reduced Weight, Full Power Engineered Sensor Matrix shell design reduces boot weight and delivers direct-to-ski energy transfer Custom Comfort Custom liners offer internal customization for enhanced comfort and support Lightweight Warmth Polar fleece retains insulation properties when wet and dries quickly GRIPWALK Compatible (sold separately) GRIPWALK soles feature a rubber tread and rockered toe for a more natural walking motion and increased traction

The result of multiple seasons of World Cup testing, the X-IUM CARBON PREMIUM SKATE is the elite-level competition skate boot for competitive athletes. The innovative carbon design features a full-wrap one-piece carbon sole and heel counter, and anatomic 100% carbon cuff for ultra-lightweight power, precision, and response. A precise, finely-tuned fit offers enhanced foot-wrapping for world-class comfort, warmth, and support.

Buckle in for all-day carving comfort. The Speed 80 expands on the award-winning Allspeed range, providing customizable power and precision in a forgiving 104mm last to suit a variety of foot shapes. The shell is engineered for reduced weight and full power transfer to fine-tune your skiing. The liner is designed to match the natural shape of your foot and is thermo-moldable for a custom fit. An easy entry design lets you slide into the boot with ease. Relaxed Fit Relaxed Fit features a 104mm last with wider forefoot, toe box and ankle areas for generous all-day comfort and support Reduced Weight, Full Power Engineered Sensor Matrix shell design reduces boot weight and delivers direct-to-ski power transfer Easy Entry Softer plastic around the instep allows for easier opening of the boot overlap for smooth entry and exit Custom Comfort Custom liners offer internal customization for enhanced comfort and support GRIPWALK Compatible (sold separately) GRIPWALK soles feature a rubber tread and rockered toe for a more natural walking motion and increased traction

Free yourself to explore the mountain. The Track 110 combines ski-hike versatility with all-conditions performance and all-day comfort. The forgiving 104mm last maintains a relaxed fit, while the shell is engineered for reduced weight and full power transfer. The insulated liner offers foot-wrapping warmth for any ski day big or small. Relaxed Fit 104mm last features a wider forefoot, toe box, and ankle area while retaining a strong heel pocket for the generous all-day comfort and support Insulated Warmth Wintherm Insulation stops heat loss and reflects warmth back to its source Reduced Weight, Full Power Engineered Sensor Matrix shell design reduces boot weight and delivers direct-to-ski power transfer Easy On Softer plastic around the instep allows for easier opening of the boot overlap for smooth entry and exit Hike Mode The Hike Mode lever offers ski/hike versatility by freeing the boot cuff for an increased range of motion for walking and hiking Custom Comfort and Precision Full custom liners are 100% customizable for enhanced comfort, precision, and power transmission GRIPWALK Compatible (sold separately) GRIPWALK soles feature a rubber tread and rockered toe for a more natural walking motion and increased traction

Train or race. The women's X8 Classic boot is designed for fitness-oriented skiers and junior racers. It features a race-inspired build that shares technology with our athlete-proven X-ium series for increased precision and power transfer. The women's-specific fit better accommodates the foot and lower leg with an integrated heel lift, flared cuff, and reduced ankle volume for enhanced comfort. Our classic-specific sole delivers a natural foot roll for an efficient kick, while the locked-in feel and thermo-moldable design provide a precise, enveloped fit to deliver ultimate comfort and control. Precise Boot Flex, Fit Dual Core Technology allows targeted boot stiffness for the most responsive feel without a weight penalty Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski Extra Warmth 3M Thinsulate heat-retaining insulation delivers increased warmth in damp and cold conditions for all-day comfort and warmth Breathable Warmth WINTHERM offers a breathable micro-perforated membrane that reflects heat back towards its source for incredible temperature regulation, comfort, and warmth Women's Fit Our FW Fit offers reduced instep volume and narrower fit from midfoot through heel for increased comfort and precision Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort

Train or race. The women's X8 Skate ski boot is designed for fitness-oriented skiers and junior racers. It features a race-inspired build that shares technology with our athlete-proven X-ium series. The women's-specific fit better accommodates the foot and lower leg with integrated heel lift, a flared cuff, and reduced ankle volume for enhanced precision and comfort. The skate-specific, low-profile sole delivers enhanced power transfer and a more natural foot roll for efficient skating. Precise Boot Flex, Fit Dual Core Technology allows targeted boot stiffness for the most responsive feel without a weight penalty Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski Breathable Warmth WINTHERM offers a breathable micro-perforated membrane that reflects heat back towards its source for incredible temperature regulation, comfort, and warmth Women's Fit Our FW Fit offers reduced instep volume and narrower fit from midfoot through heel for increased comfort and precision Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort

Explore the trails. Let the warmth and stability of the women's X1 cross-country ski boot guide your stride. This entry-level boot features a traditional lace-up build for easy on and off, while a touring-specific sole works with the binding for increased support as you kick and glide through winter. Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski Women's Fit Our FW Fit offers reduced instep volume and narrower fit from midfoot through heel for increased comfort and precision

The X2 is an introductory touring boot with warmth and stability for all-around use. The boot's tall cuff and zip-up lace cover seal out snow, while a Thinsulate lining wraps your foot for warmth. The touring-specific sole and lateral heel support provide stability for all-around trail skiing. Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski Extra Warmth 3M Thinsulate heat-retaining insulation delivers increased warmth in damp and cold conditions for all-day comfort and warmth Women's Fit Our FW Fit offers reduced instep volume and narrower fit from midfoot through heel for increased comfort and precision Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort

Set yourself up to explore winter. The women's X5 touring boot offers support, stability, and control for on- and off-trail skiing. Designed for adventurous recreational skiers, the boot's tall cuff and lace cover seal out snow, while the thermo-moldable fit allows for customized comfort. A powerstrap complements the hinged cuff design for stability and range of motion, for a natural stride no matter where the snow takes you. Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski Quick, Easy Closure Speed Lace Lock system offers fast, easy closure for increased support Extra Warmth 3M Thinsulate heat-retaining insulation delivers increased warmth in damp and cold conditions for all-day comfort and warmth Women's Fit Our FW Fit offers reduced instep volume and narrower fit from midfoot through heel for increased comfort and precision Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort

Choose adventure. The women's X5 OT touring boot bridges the gap between on-trail and backcountry touring. The women's-specific last and thermo-moldable fit offers custom comfort, while Thinsulate insulation and an adjustable gaiter add off-trail versatility and warmth. The reinforced cuff and powerstrap complement a stiff touring sole for added stability. The hinged cuff supports a natural range of motion and full stride to take you beyond the groomed. Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski Quick, Easy Closure Speed Lace Lock system offers fast, easy closure for increased support Extra Warmth 3M Thinsulate heat-retaining insulation delivers increased warmth in damp and cold conditions for all-day comfort and warmth Women's Fit Our FW Fit offers reduced instep volume and narrower fit from midfoot through heel for increased comfort and precision Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort