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Features
- 270º Airbag Cushioning: more cushioning and less weight. A 50% larger airbag covers approximately 75% of the midsole for unstoppable impact protection.
- Flex Spine™ Backstay: Get effortless medial and lateral mobility with ample edge-to-edge support.
- Articulating Cuff: Allows the upper and lower zones of the boot to flex independently creates fluid forward motion, minimizes shell distortion, and maximizes heel hold and response.
- Stay-Puft Calf Capsule: Adding an airbag to the upper portion of the Sapphire’s Flex Spine™ backstay cushions your calf as it interacts with the hi-back.
- Medium Flex Thin Profile 3D® Molded Tongue: Adjusting the profile of the tongue’s thickness controls its flex, enhances its ability to wrap the forefoot, and reduces shell/liner stack-up for improved comfort.
- NEW Stay-Puft Tongue: Tuck that knee and tweak it with the smoother forward motion and cush comfort of this padded, progressive flexing upper tongue construction.
- Plush Cuff 1.0 hugs your calf like no other thanks to a combination of medial and lateral neoprene stretch zones and a super soft fur lining.
- Flex 2 Liner: Therm-ic Heat Pre-Wired, Flex Cuff Heel Hold System, Plush Cuff 1.0, TaiPanel™ Technology, NEW Rad Pad For Lace Comfort, Velcro® Liner Closure, Ultra-Cush Park 2 Footbed with Aegis™ Antimicrobial Coating, and Heat-Moldable.
- NEW True Fit™ Shell Cuff: This unique shell construction allows the uppermost lace hook to move independently from the rest for improved comfort and a fit that better conforms to a variety of calf shapes and sizes. Crank the laces tight around your forefoot and ankle, then micro-adjust lace tightness at the sweet spot around your calf muscle.
- NEW Rad Pad For Lace Comfort: Located on the top of your instep, right where the liner laces exert the most pressure, these pre-curved panels keep your feet happy for hours of on-hill action.
- Ultra Cush Park 2 Molded Footbed
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