Burton Imperial Snowboard Boots Mens NA Imported LACING: Speed Zone Lacing System, Powered by Burton Exclusive New England Ropes with a Lifetime Warranty FLEX / RESPONSE: S4 Shell Panels, 1:1 Firm Flex PowerUP Tongue COMFORT: Total Comfort Construction, Snow-Proof Internal Gusset, Aegis Antimicrobial Coating LINER: Imprint 3 Liner, Focus Cuff CUSHIONING: Rubber Ice Spikes, B3 Gel, Sleeping Bag Reflective Foil, ESS Support Shank