The Booster Strap World Cup is the perfect way to increase the amount of rebound and horsepower your ski boots have. This aftermarket strap uses a claw grip and three layers of heavy duty elastic to provide a more dynamic flex to your boots. The World Cup Version is specifically designed for boots that have a flex index at 120 or stiffer. If you are looking for a quick way to upgrade your already powerful ski boots, a World Cup Booster Strap is the perfect option. . GTIN: 0691501000417, Model Number: BOOST-WC, Product ID: 98958, Model Year: 2014
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