2L Oxford Shell 100% Nylon 30K Waterproof Membrane, 100% polyester lining DWR water repellent Brushed tricot hand warmer pockets Hook and loop top entry thigh pocket with 300D pliers pocket Adjustable elastic shoulder straps Built and inspired by our Hydronaut foul weather system, with a 30K 2-layer 100% nylon shell to keep you dry when it matters the most. The Hydro waterproof fishing bibs deliver the same level of heavy-duty durability as the original Hydronaut, but feature adjustable elastic shoulder straps for the angler who prefers a more traditional shoulder strap system. Enjoy all the other creature comforts like brushed tricot hand warmer pockets, knee high side zippers. reinforced knees, reinforced hem, 300D pliers pocket, and safety d-ring.