Liquid Force Harley Wakeboard Bindings Mens Sz 10-11 IPX Chassis Injection molded Nylon plastic chassis with metal teeth. Impact EVA Specially designed foam displaces high-energy impacts and reduces heel bruises. EVA foot-bed 3D molded foot-bed with ergonomic contours. Control Liner Seamless molded tongue design and integrated J bars. Zonal Lace System Lacing system allows you to adjust lace tension.