5 oz./yd², 70/30 modacrylic/tencel; Regular fit; Ribbed-knit collar; Three-button placket; Chest pocket; Ribbed-knit cuffs; Certifications Level 1: NFPA 2112, NFPA 70E; Certifications Level 2: Category 1 Protection, NFPA 2112 - 2018 Compliant; Hazard: Flash Fire, Arc Flash; Protection: EBT Arc Rating: 4.8; Tall sizes available under style SML8T;