Styling: Button-Down Cuff: Two Button Adjustable Collar: Button Down Front Pocket Closure: Button-through Back: Straight Back Yoke Care: Machine Wash. For further care instructions see label inside garment The long-sleeve Wrangler FR lightweight work shirt is compliant with ASTM 1506, NFPA-70E and OSHA final rule 1910.269. HRC2. NFPA-2112. ATPV 9.5 cal/cm2.