DESIGN & TECHNOLOGY: Quantum water skis bring combo of energy and value to the ride Wide tails and shallow, narrow tunnels make deep water starts easier and provide more even turns Slide-type adjustable bindings suggested with these skis Beginners can pick up stabilizer bar for extra help in keeping skis straight and proper width apart Reinforced composite construction Stabilizer bar inserts Glass filed nylon fin SIZING: Recommended skier weight: 135 - 240 lbs. Foot size: 9 - 14 U.S.