The FRB9-30C/BS Hybrid[TM] welding jacket has flame-resistant treated cotton on the body for comfort with the added durability of rugged split cowhide sleeves. It's the perfect combination of comfort without sacrificing protection or durability. Hybrid[TM] performance cape sleeve. 9 oz. FR cotton body with side split cowhide sleeves. Scribe pocket. Adjustable wrists and reinforced snaps.