Deeluxe MF Pro PF Snowboard Boots Dupont Surlyn Highback. This highback contributes to the durability and stability of the boot Pro Flex- This construction is designed to meet the needs of freestylers who demand premium performance Section Control Lacing- The Section Control Lacing system is the most convenient and precise lacing Conquest Outsole- The Conquest Outsole is made from a special EVA mixture that provides an enhanced board feel Waterproof Construction- Precise stitching and a sandwich construction ensure water can't penetrate