DURALITE MATERIAL: This material has many of the finer qualities of neoprene that dries quickly, is lightweight, and durable AERO-JET FRONT PANELS - And jet foam back panels adds comfort and boyancy to the vest YKK SELF-LOCKING ZIPPER: YKK premium zippers won’t break or lock-up, seizing the zip head and causing headaches to the user, the zipper teeth are coated with high strength, UV treated plastic to increase durability INTERNAL DUAL BUCKLE DESIGN: This USCG approved type 3 vest has 2 buckles and a front zip. Internal or enclosed straps reduce the potential for twisting, snags, or tangles and provide a clean look MULTI-USE D-RING: Easily attach your safety lanyard to this D ring located on the external waist