The FR Zestos is so well made you can wear it working, or at the pub with friends. Versatility and performance go hand-in-hand with our welding apparel especially with our FR Zestos work shirt. But most importantly, if you want to support high quality welding apparel, then this product is for you. In fact, Up in Smoke Welding Apparel is made using materials sourced right here in north america.