This is a snap on welding jacket designed for light to medium duty. Can sustain heavy mig welding or light stick welding, is very high quality. Very comfortable, breathable jacket has zippers for ventilation on the sides for hot days. Jacket was too big for me. So I want to send it on to the next welder, that can actually wear it and use it Jacket is brand new. I only tried it on and discovered, it was too big. Size XXL (2XL)