Flame Resistant Collection. Spread Collar. Authentic Western Front and Back Yokes. Two Authentic Western Snap Flap Pockets with Pencil Slot.''W' Stitching on Pocket. Long Sleeves. 88% Cotton/12% Nylon. Fire Resistant ATPV 9.5 calories/cm2. HRC2. NFPA-2112. Compliant with OSHA 29 CFR 1910.269 NFPA-70E and ASTM F1506-02ael.