Deeluxe The Brisse PF Snowboard Boots Dupont Surlyn Highback. This highback contributes to the durability and stability of the boot D-Lug- Our new, patent-pending D-Lug outsole is designed to better cushion and cradle your feet C3- One boot - three zones. The three part division of the boot allows the heel, forefoot, and shaft Custom Flex- The name says it all - our Custom Flex construction enables riders to adjust the support Double Power Strap- It's two Powerstraps instead of one for much more support