Onyx Universal Adult Life Jacket The Onyx Universal Adult Life Jacket is specifically designed for the general boating family who is looking for comfort, style and safety in an affordable vest. With a 200 Denier nylon oxford fabric outer shell and its all PE foam construction, this life jacket will provide long lasting use and is perfect for an extremely comfortable boat ride. Features 200 Denier Nylon Oxford Fabric Outer Colored In Blue and Yellow All PE Foam Construction U.S. Coast Guard Appro