Product Details     Flex Lacing Style: N23ATWBLK The Nidecker Altai Snowboard Boot is the centerpiece of the Nidekcer boot collection. It offers premium features in a freeride-friendly package. It’s constructed around an asymmetrical upper that eliminates pressure points. It features a Dual Zone Boa system with H4 Coiler. The Silver Level Liner keeps you warm and comfy, and the Gravity + Outsole delivers awesome cushioning and traction when walking on snow, ice, or rock. The Altai is a mid-stiff boot, perfect for shredding groomers, floating through forested meadows, and pinpointing technical lines. KEY FEATURES Mid Power Dual zone Boa Configuration utilizes two Boas to provide independent upper and lower zonal adjustment Gravity + Outsole is lightweight and durable and will provide as much grip as possible thanks to the snowcat-inspired lug pattern Boa H4 Coiler System takes up slack quickly, allowing you seamless entry into the bootSPECSFlex: StiffLacing: Boa FEATURES Silver Level Thermo Heat Moldable Liner uses a Custom Flex Zone around the toes for added wiggle room and a combo of PE and PU foam to support and add stiffness 3D Molded Dual-density insole supports the deep heel cup and anatomical arch of your feet 3D molded toe box construction creates a seamless connection with Nidecker bindings Asym 3F combines fit, feel and flex into an asymmetric shape and closure system designed to deliver optimum support and flex Articulating Flex Zone allows the upper and lower parts of the boot to move separately, enhancing the ride experience and avoiding pressure points Nidecker Altai Snowboard Boot (Women's)