Be fully prepared out in the water with the O’Brien Men’s 4-Buckle Nylon Pro Vest. This vest from O’Brien comes with four adjustable straps equipped with squeeze-style” side-release buckles, a secure and safe fit. Vest has a flexible, soft foam core design that gives you a high degree of mobility and comfort. It has big armholes for fast donning and doffing and also offers a wide range of motion. This vest has an exterior made of durable nylon material, to making it a tough design.