Big and Tall Caterpillar Men's Flame Resistant Plaid Shirt 100% Cotton Imported Machine Wash FR Certified to UL NFPA 2112, NFPA 70E, CAT 2, ATPV 8.4 7 oz. FR 100% cotton,UL certified yarn dyed woven twill plaid Button down collar and placket with flame resistant high temp buttons Drop tail hem Double needle stitching for strength and durability Machine wash Imported