Whether they're on a boat, a tube, water skis or a personal watercraft, your children will have a blast in Stearns Youth Classic Series Vest. They're specially-fitted for children 50-90lbs. The Coast Guard approved life jacket is designed with open sides and three adjustable chest belts for a tight fit and better movement. Durable nylon construction and PE flotation foam, along with 1-in. webbed straps will allow you to use this vest season after season