The Connelly Concept Vest incorporates an innovative double V-back design that adds a new dimension in flexibility and provides essential back support. The front panels have four hinge points in the shoulders and chest that provide excellent movement in all directions. The Glideskin upper panels help wick water away to keep the vest light. The Concept Vest is designed with a front zipper closure for easy entry/exit and two adjustable hidden belts for fine tuning the fit. USCG approved.• Center zip with double "V" back flex panel• Multiple hinged front and back panels for increased mobility• Glideskin upper panels to wick away excess water• Two hidden straps with side-release buckles• Contoured arm holes• Exterior made with BioLite• US Coast Guard approved• Chest Sizes: S(32"-36"), M(36"-40"), L(40"-44"), XL(44"-48") Glideskin wicks away excess water & helps block the wind Eco-friendly BioLite exterior US Coast Guard approved | Connelly Men's Concept Neo Life Vest