Caterpillar Flame Resistant 6.5 oz Lightweight Twill Coverall 88% Cotton, 12% Nylon Imported Machine Wash Certified compliant flame-resistant coverall with made in the USA fabric, front mesh gas detector pocket, and articulated elbows and knees Inherent flame resistant fabric whose FR properties don't wash out Full front zip with two way brass break away Nomex zipper and storm flap with snap placket for added protection FR Certified to UL NFPA 2112, NFPA 70E, CAT 2, ATPV 9.5 Full elastic back waistband for comfort and fit Adjustable length hems and sleeves