Dual-Zone BOA Fit System: Allows independent adjustment of the upper and lower boot for a precise fit. Medium Flex: Provides a balance of responsiveness and forgiveness suitable for all-mountain riding. Imprint 3 Liner: A heat-moldable liner offers a custom fit with moisture-wicking properties and enhanced heel hold. Vibram Outsole: Provides excellent traction and grip. Step On Compatibility: Designed for use with Burton Step On bindings for quick and easy entry/exit. Focus Cuff: Enhances heel hold for increased response. Sleeping Bag Reflective Foil: Reflects heat back to the feet for added warmth. S4 Panels: Maintains the boot's shape and extends its lifespan. FREE BALACLAVA INCLUDED! Plus the 4 Hardware screws Used for one week in great condition See photos for details Size 9 Step On®︎ boots are ONLY compatible with Step On®︎ bindings.