AERO-JET FOAM - Soft, light, and pillow-like composite foam that provides durability and minimal water absorption FLEX-LITE NEOPRENE- Flex-lite is insanely flexible, soft, and lightweight; in fact it’s the best we can find. The jersey is extremely soft and smooth while the internal foam is lightweight and holds less water than other foams, Coast Guard Approved 19 PANEL SEGMENTATION - The foam is cut and segmented into pockets throughout the vest for added comfort and mobility 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 YKK SELF LOCKING ZIP - YKK premium zippers won’t break or lock-up, seizing the zip head and causing headaches when your just trying to have FUN. The zipper teeth are coated with high strength, UV treated plastic to increase durability