The Blast Combo Water Skis with Horseshoe Boots are a recreational combo skis for the whole family. The Skis have V-Bottom Technology that incorporates a V-feature similar to a boat hull, running down the center portion of the ski's bottom surface. The V-bottom stabilizes the ski and allows it to track exceptionally well for both deep water starts and open water cutting. Adjustable Horseshoe Boots are comfortable on the feet. One ski is designed for Slalom with a rear foot pocket. Boots have floating tongue design for comfort and adjustability with front lacing design for performance and effortless entry. The 63'' (160 cm) is for skiers weighing 70 lbs. to 150 lbs. (31.75 kg to 68 kg).