All limited flammability cotton apparel is made of 9 ounce green cotton. The 100% material cotton is cool, comfortable and launderable. These products provide economical protection from exposure to molten splash and sparks. The 39142 is a green sateen cotton apron that measures 42 inches in length. If you are looking for the best green cotton welding aprons, look no further than MCR Safety! To view other welding PPE options, CLICK HERE!