The is tested and approved by both the US Coast Guard and Transport Canada. This vest has received rave reviews as the best fitting, most comfortable, and highest performing life vest on the water today. With amazing comfort and supremely engineered Fluid Flex segments this vest is incredibly breathable, flexible, and lightweight.• Harmonized US Coast Guard and Transport Canada approved• Fluid flex segments• Superior drainability• Flexible, lightweight neoprene• Hidden belts with PVC quick-release buckles• Front zipper for secure fit• Chest Sizes: S(32"-36"), M36"-40"), L(40"-44"), XL(44"-48"), 2XL(48"-52") Incredibly breathable, flexible, and lightweight Hidden belts with PVC quick-release buckles Superior drainability | Men's Fluid Flex Life Vest