Since introducing the riding shoe in 1983 we have continuously learned what works and what doesn't. The Burton Imperial snowboard boot takes all those years, all the hits and highlights, and channels them into the ultimate go anywhere boot. The grip of a VibramR outsole meshed with the better board feel of an ESTTM midsole the consistent flex and bulletproof durability of S4 shell paneling and the precise lacing of Speed ZoneTM everything that matters is in this boot. Features: Support: 7 ShrinkageTM Footprint Reduction Technology LACING: Speed Zone Lacing System for True Zonal Control LINER: ImprintTM 3 Liner w Rad Pad for Lace Comfort CUSHIONING: VibramR EcoStepTM Rubber Outsole w Rubber Ice Spikes Low Profile EST Optimized Midsole B3 Gel Cushioning FLEX RESPONSE: S4 Shell Panels, Medium Flex Thin Profile 3DR Molded Tongue Super Grip Toe COMFORT: Total Comfort Construction, Snow Proof Internal Gusset and Level 2 Molded EVA Footbed w ESS Support Shank and AegisTM Antimicrobial Coating Tech Specs: Total Comfort: Get an instantly broken in feel right out of the box. New toe box construction eliminates the break in period for a fit that feels just as good from shop floor to season opener. Rad Pad: Pre curved panels located on the top of the instep that keep your feet happy for hours of on hill action. Shrinkage Tech: Footprint reduction tech. Example Size 10 boot size 9.5 overall footprint. Less toe drag, reduced weight, easier binding fitment.