US Coast Guard Approved: This personal flotation device meets USCG requirements. Life jacket is USCG Approved Type III Comfort: Less bulky design for use when quick response is likely, offers a larger range of motion making it a favorite for water sports enthusiasts Buckles & Zipper: Side release buckles open and close quickly while the zipper is easy and quick to fasten to ensure safety and security on the water Material: Durable, Quick-drying, and super soft. This fabric stays comfortable against your skin even during a full day of kiting, SUP, Jet skiing, skiing, tubing, rafting, kayaking and more Sizing: This life jacket follows the sizing determined by the USGC and is designed to fit adults that weigh over 90 pounds and have a 40-42.5-inch chest size. If you are unsure or in between sizes, select a larger size