INKWS Description LAPCO FR™ welding shirts have the snaps and heavier materials that welders prefer. Welders do their best, most consistent work when they are comfortable in position and protected. Designed for welders by welders. These welding shirts simplify work life while including myriad features for protection, compliance, and comfort. 10oz. FR Welding Shirts in flame-resistant 100% Cotton Twill Gabardine, just like your favorite Non-FR LAPCO™ welding shirts, but with all the FR protection you need! Four rows of lock stitching on the front placket to prevent unraveling. Double-needle stitching on pockets, flaps, and shoulder seams. Sewn with Nomex® thread. White Pearl Snap front placket, pocket, and cuff closures. Fabric 10oz. 100% Flame-Resistant Cotton Twill Gabardine with a Moisture Management Finish Safety ATPV 12.5 cal/cm²HRC/CAT 2NFPA 70E CompliantUL Classified ASTM F1506UL Classified NFPA 2112 Sizing Click here for Sizing Charts & Fit Guide Product Care Click here for Product Care instructions and information. Returns Click here for Return & Exchange Info