Hardcore Adult Life Jacket Ski Vest - Life Vest with open sides for minimum restriction of movement. Coast Guard Rated PFD for adults over 90 lbs. We recommend this vest if you wear a S, M, or L t-shirt size. 3 Adjustable straps allows vest to conform to your body shape. 3 quick-release buckles for fast dress and removal. Constructed using multiple layers of PE foam for maximum flexibility. Ideal for calm, inland water. Approved by the U.S. Coast Guard - Type III.