Reaching a new level in innovation, the BSX Welding Jacket utilizes a modern design to create a better fitting, better looking, and more comfortable protective garment. 9 oz. flame-resistant treated cotton. Welders collar to protect against sparks, and extended length coverage. Dual Scribe and Inside Pockets, Adjustable Cuff and Waist Straps. Size Large. Package of 1. **NOTE: FR (flame-resistant) garments are light weight breathable protection that is mainly used for light welding, cutting, and grinding. Flame-resistant means when a spark(s) lands on the garment, the garment will extinguish itself (it wont continue to burn) and somethimes the spark can create a hole on the garment. Consider leather for full protection for applications that are more than light-duty welding, cutting, and grinding.