Take it from the rail line to the big jumps in total comfort in the Northwave Freedom SL Men"s Snowboard Boot. This mid-flexing boot has a heel retention system to keep your foot locked in place so you have total control over your board, and the Hypershock sole is lightweight so you don"t get weighed down. Product FeaturesUpper Material: Closure: Super LaceWaterproofing: Lining: Removable Liner: yesThermo-moldable Liner: yesLiner Closure: Lace LockFlex: medium (5 of 10 on Northwave"s scale)Sole: HypershockMidsole: EVAFootbed: Weight: Recommended Use: all-mountain, park, streetManufacturer Warranty: 1 year