ATPV Rating 6.4 cal/sq cm, Arc Flash PPE Category 1, Collar Style Crew Neck, Color Gray, Fabric Weight 5.5 oz, Features Self Fabric Collar, Gender Men, Ss Baselayer W/Mesh Gusset 5.5 Oz, Material Trade Name Cotton/Polyester, Maximum Chest Size 49 1/2 in, Minimum Chest Size 45 in, Moisture-Wicking Yes, Neck Style Crew Neck, Size XL, Sleeve Length Type Long