The competition vest that truly does it all, the Liquid Force Flex Comp Vest provides excellent padding and flexes with you as you move. The 2022 Flex has better padding without sacrificing any of its legendary range of motion. Easy entry and exit make this vest a favorite.. Advanced 38 Flex Panel Architecture Design. Comfort Fit with Minimal Taper and Maximum Stretch. PVX Foam is Lightweight, Soft, Stretchable, and Flexible. Notched Hip for Improved Waist Flex. Full Coverage Chill Stopper Lining. NOT a USCG Approved Life Jacket. Men's Chest Sizes: XS(31"-34"), S(34"-37"), M(37"-40"), L(40"-43"), XL(43"-46"), 2XL(46"-49")