The Union Atlas Step On Snowboard Bindings combine lightning-quick entry with Union's signature precision engineering, delivering a binding that gets you from lift line to white room faster than ever. Built with Step On® technology, this innovative binding system eliminates fumbling with straps while maintaining the responsive edge control that serious riders demand. Click in and experience what happens when convenience meets uncompromising performance. Product Details Flex Flex Rating – 8 (1 Soft - 10 Stiff) Baseplate Atlas Step On® Duraflex CB Baseplate Extruded 3D Aluminum Heelcups – Designed for optimum heel hold and minimization of drag, Union 3D Extruded Aluminum heelcups are the strongest in the business. Hi-Flex HP EVA Bushing Highback Atlas Step On® Duraflex CB Integrated 2-Stage FLAD Additional Features Grade 8.8 Steel Hardware – The strongest steel available on the market, Union's use of Grade 8.8 represents a commitment to delivering the strongest and most reliable bindings on the market today. Step On® Disk – 2x4 and Channel compatible. Boot Compatibility – Must Be Used with Step On™ Boots Non-Stick EVA Disk Cover