Chicago Protective Apparel Ultra Soft 9 oz Navy Work Pant 42X34 Constructed of 9 oz Ultra Soft (88% cotton/ 12% high tenacity nylon) fabric. Guaranteed flame resistance for the life of the garment in either high temperature industrial or home washing procedures. Nylon provides excellent abrasion resistance on outer surface of garment, while cotton towards skin optimizes comfort. A comfortable option for multi-purpose protection from electric arc flash, flash fire, molten ferrous metal and welding exposures. Double-shrunk technology and durable fabric increase this garment's wear life, making it a great choice for those seeking lasting value.