The O'Neill Superlite Life Jacket is a great-wearing vest that's soft and comfortable. This Superlite vest is made of lightweight polyethylene foam with a coated polyester shell. Quick-release Delrin buckles provide a secure fit. Comfortable construction is perfect for all your watersport activities. USCG approved type III. table, th, td {border: 1px solid black; border-collapse: collapse;}th {text-align: left;}th {padding-left: 6px;}td {padding-left: 6px;} Men's Sizes Chest Vest Length Small 33"-36" 21" Medium 37"-40" 21.5" Large 41"-44" 22" XL 45"-48" 22.5" 2XL 49"-52" 23" 3XL 53"-56" 23.5" 4XL 57"-60" 24" Coated polyester shell Quick-release Delrin buckles for a secure fit USCG approved type III | O'Neill Men's Superlite Life Jacket