ATPV Rating 8.7 cal/sq cm, Arc Flash PPE Category 2, Collar Style Button-Down, Color Gray, Fabric Weight 7 oz, Features Double Needle Reinforced with Nomex(R) Thread Throughout the Garment for Durability, Triple Vent Technology, Closure Type Buttons, Gender Men's, High-Visibility No, Flame- Collared Shirt, Material Trade Name Excel FR(R), Maximum Chest Size 46 in, Minimum Chest Size 44 in, Neck Style Collar, Number of Pockets 2, Pattern Solid, Pocket Location Chest, Size L