Lightweight and comfortable for active, younger boaters, the Child Livery from MTI is totally open on the sides for paddling maneuverability and cool comfort on hot days. Two quick release buckles for easy onoff and a secure, custom fit. Crotch strap for added safety. Open at sides for cool comfort and paddling maneuverability. Ideal for paddle sports: kayaking, canoeing, and SUP. Also approved for PWC personal watercraft, towables, and water skiing for all around boating versatility. Fits children 30 50 lb..