Burton Invader Snowboard Boots Mens Other Lacing:Traditional Lacing. Flex/Response:Soft Flex Tongue, Shrinkage Footprint Reduction Technology. Cushioning/Traction:DynoLite Outsole, Total Comfort Construction, Snow-Proof Internal Gusset, Level 1 Molded EVA Footbed. Liner:mprint 1 Liner with Integrated Lacing.