The HO Blast Combo Waterskis are a great way to have fun with the whole family at the lake. Their wide width construction make for easy starts and help skier progress. Combined with a V-Bottom design, the Blast Combos are stable and fun. You can also learn to drop a ski and progress to slalom skiing, as they're equipped with a rear toe strap. Waterskiing is a great way to have fun with the whole family at the lake. They feature tip inserts compatible with the HO Trainer bar that keeps ski tips together, making starting and learning easy. Approximate boot sizes: 59”-61”: Kids 2 - Adult 7 63”-67”: 4.5 - 13