HO Xmax Rear Plate Waterski Binding Sz 4-8Marshmallow Foam Liner for amazing out of the box comfort Removable Footbed Anchoring System for easy mounting and adjustment This adjustable rear kicker employs a Marshmallow Foam Liner for amazing out of the box comfort and pairs great with the xMAX boot. It achieves the industrys shortest Flex Footprint which virtually eliminates ski flex dead spots so your ski turns as easy as designers intend. Marshmallow Foam Liner for amazing out of the box