Liquid Force Index Wakeboard Bindings Mens Sz 12-15 EVA Foot Bed - 3D molded foot-bed with ergonomic contours Cuff Stretch Zone - Stretch zone that allows flex with no restrictions Comfort Liner - Dual density tongue design and integrated J bars for heel holding Single Lace System - Lace system allows ease into and out of binding N66 Chasis - Injection molded Nylon 6 plastic, 6 inch spread with 12% glass reinforcement