The Union Atlas Step On bindings deliver rapid entry with the Step On Instant Connection system while maintaining high-performance responsiveness for all-mountain riding. Built with a Duraflex CB baseplate, aluminum heelcup, and Hi-Flex EVA bushings, they are engineered to provide both comfort and edge-to-edge control on varied terrain. Riding Category: All-Mountain / Performance Skill Level: Intermediate - Advanced Flex: 8 / 10 (Stiff) Best Terrain: Groomers, all-mountain carves, resort riding with strong response Highback: Atlas Step On Duraflex CB Highback Baseplate: Atlas Step On Duraflex CB Baseplate Bushing: Hi-Flex HP EVA Bushing Straps: Step On Instant Connection System (boot interface) Ratchets: Step On heel/toe clip system Hardware: Grade 8.8 Steel Mount Pattern: Step On Disk compatible with 4x2 and Channel systems