Elevate your game on the mountain with a smooth flex and playful feel that lets you make the most of your board. From groomers to natural features, the men's Burton Freestyle Re:Flex Snowboard Bindings offer smooth, consistent flex with a responsive feel. *Please note the 3D Hinge Disc (not included) is needed for mounting on 3D systems. 3D pattern systems are found on Burton boards manufactured prior to 2014. 3D Hinge Disc.