The CL-4 will take your riding to the next level. The C-Series Chassis pairs an aluminum heelcup with a polycarbonate base tray. The aluminum heelcup provides the feel and durability of aluminum where you need it while the composite tray offers comfort and a smooth ride. The One-Piece Ankle Strap offers all day comfort. The CL-4 is designed for riders looking for a smooth all-mountain binding that is comfortable all over the mountain.