The Liquid Force Ghost Vest is arguably more comfortable than any other on the market and is exceptionally lightweight. For 2022 the Ghost has more foam padding and features a ribbed flex panel design that forms to your body. It's designed with wider arm openings and a tapered waist for a better fit.. LF Exclusive Ribbed Flex Panel Architecture. Bio-Spine 3D Curve. V-Flex Shoulder Pattern. Performance Fit with Tapered Waist and Wide Shoulders. Full Chest "Chill Stopper" Lining. Advanced 44 Flex Panel Design. PVX Foam is Lightweight, Soft, Stretchable, and Flexible. Fits like a Second Skin. NOT a USCG Approved Life Jacket. Men's Chest Sizes: S(34"-37"), M(37"-40"), L(40"-43"), XL(43"-46"), 2XL(46"-49")