The Overton's Tropic Life Vest will have you feeling like you're in tropical waters regardless of where you are. Designed with 4 adjustable belts, lightweight EPE foam, and closed sides. USCG Approved Type III. 4 adjustable belts. Lightweight EPE foam. Closed sides. USCG Approved Type III. Chest Sizes: S/M 32-40 in, L/XL 42-50 in, 2XL/3XL 52-60 in, 4XL/6XL 62-70 in..