11 Oz. Westex™ Ultrasoft® 88% Cotton / 12% Nylon 10 Oz. Westex™ Insulair® Face Cloth: Indura® 100% Cotton Batting: 80% Silica Rayon / 20% Polyester YKK® Nickel plated brass snaps (all snaps are covered with material). FR velcro closure. Snap on garment. FR plastic stopper adjustment. FR string adjustment. NFPA 70E / CSA Z462 ARC RATED 60 cal/cm2 Category 4 Care: Industrial wash