Jobe's 4 Buckle Vest is a 50N buoyancy aid and is fully constructed with the strongest nylon. Both the front- and the side of the 4 Buckle Vest are constructed with soft PVC-foam panels on the front and EPE-foam panels on the back to offer comfort and give additional protection. This vest comes with a D-ring to connect with an emergency cord and has a Jobe custom water draining system to ensure the water drains quickly when necessary. The strong YKK buckles and four adjustable webbing straps ensure excellent unisex fit for more comfort and safety.