ATPV Rating 4 cal/sq cm, Arc Flash PPE Category 1, Collar Style Lay-Flat, Color Blue, Fabric Weight 5.5 oz, Features Breathable Fabric, Heat Stress Reduction, Lightweight, Odor Control, Closure Type Pullover, Gender Men's, High-Visibility No, Flame-Resistant Crewneck Shirt, Material Trade Name Modacrylic, Maximum Chest Size 45 in, Minimum Chest Size 45 in, Neck Style Collar, Number of Pockets 0, Pattern Solid, Size 3XL, Sleeve Length 37 in, Sleeve Length Type Long