Batwing sleeve construction and generously cut for maximum freedom of movement; nylon fabric provides excellent strength and durability 100% waterproof protection; Neoprene coating provides excellent abrasion performance and resists oils, acids, chemicals and solvents Corduroy tip collar for neck comfort, hood snaps, take-up snaps on sleeves for adjustable fit Mildew resistant and Flame resistant tested; Self-extinguishing less than 2 seconds after removal of ignition source, Test method ASTM D6413