Wolverine Men's Flame Resistant Plaid Twill Long Sleeve Size Large 90% Pima Cotton, 10% Nylon This garment meets the requirements of NFPA2112-2012 standards on flame-resistant garments for protection of industrial personnel against flash fire For twill for aramid thread for plastic buttons Two chest pockets with flap and button through closure Button down collar Description Fire zero by Wolverine flame resistant garments are engineered to offer you the protection needed while still providing the comfort, quality and durability you have grown to expect from Wolverine. Our products are completely FR, double dipped in an FR treatment to ensure all materials are properly coated for your safety, minimal shrinkage limited to 3 percent or less, low formaldehyde using up to 75 percent less than our competitors while still maintaining certified protection from heat and arc flash hazards, and we use a type of nylon engineered with heavier yarns to provide a stronger fabric.