The men's Concept vest is constructed with Connelly's innovative double V-back design that fits a wide range of body types and provides essential back support. The upper chest panels have hinge points in the shoulders that provide increased movement. The Glideskin lower panels help wick water away to keep the vest feeling lightweight and comfortable. The Aspect vest has a front zipper closure for easy entry/exit and two adjustable hidden belts for fine-tuning the fit. Contoured armholes allow uninhibited movement. USCG approved. Sizes: S(32"-36"), M(36"-40"), L(40"-44"), XL(44"-48"), 2XL(48"-52").