Flatbed 4D Bindings (M4.5-7) Hiking Footwear The Smart Frame Shell gives

The Smart Frame Shell gives you a more reactive flex and rebound

The tip and tail rocker provide clearance through crud and lift through powder

and the 57mm q-factor providing stability at high speeds

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stable and reliable to let you push your performance with ease

Flatbed 4D Bindings (M4.5-7) Hiking Footwear The Smart Frame Shell givesThe Flatbed 4D is a durable, all purpose binding, featuring a softer flex that is perfect for beginning to intermediate riders. Compatibility: Most snowboards, including those featuring a 2x4, 4x4, or older Burton 3D hole pattern. Not compatible with newer Burton Channel boards. Sizing: Size Small will fit most boots sized Mens 4. 5 7, or Womens 5. 5 8.