Have a high-back touring or rowing seat? The Clearwater PFD can help, flotation is concentrated up front and behind the shoulders, that lets you recline and relax. The Clearwater carries the US Coast Guard Certification through testing by Underwriters Laboratories (UL). Min buoyancy: 16.5 lbs. Entry system: front zipper. Pockets: 2-front. Adjustment system: 4-side, 2-shoulder, 2-waist. Profile: medium. Sizing (chest circumference in inches): XS/M: 30-42" - L/XL: 42-52" - XL/XXL: 50-56"