Polyurethane coated stretch material front and back body for increased warmth and wind resistance. 7.2 oz Stretch material in arms and underarms for increased mobility while minimizing fatigue. YKK 5 Plastic molded zippers- prevents lock ups caused by saltwater and sand. Quick access lumbar storage pocket- easy access to necessities used on paddle excursions (Sunblock, energy gel, booties, etc). Reflective logo details for increased visibility and safety. Material: Polyester, elastane.