Yak Delta 50N Buoyancy Aid in Black/Lime The Yak Delta 50N Buoyancy Aid is a fun and fashionable life jacket designed for recreational activities such as swimming, waterskiing, sailing, and fishing. Made from a durable, breathable material, it features adjustable straps for a comfortable fit and a side pocket for personal items. The Delta 50N also provides 50N of buoyancy, making it an excellent choice for those who need an extra bit of flotation. The stylish design will make sure you'll always look your best while enjoying the water. Features Slim, adjustable design Lightweight foam padding. Robust YKK front zip allows for easy entry. The internal key pocket keeps valuables within reach.