Featuring a Response III Liner with Thinsulate insulation, the DC Transcend Snowboard Boots offer Aerotech ventilation that wicks away sweat quickly. Synthetic upper. IMPACT-ALG Insole DC's standard IMPACT-ALG insoles provide impact protection. Dual BOA fit system with H4 coiler dial and focus closure. Zip-up storm flap prevents slush from seeping in. Flex Rating 8 (1 Soft - 10 Stiff). Internal ankle harness for a secure fit. Strap binding. Pull loop on the back for easy wear. Signature brand detailing on the front. Round toe design. Vibram outsole.