Black Stallion Stretch-Back FR Cotton Welding Jacket, Navy with Gray Stretch PanelStretch Back FR Cotton Welding Jacket The looped knit yarns of the back panel offer just the right amount of horizontal "give" as a welder moves his shoulders and arms. And, these looped yarns allow more air to flow through the fabric, providing cooling breath ability, and comfort. Tested to maintain protection for light welding applications through 50 home washings. FEATURES & BENEFITS 9 oz. FR cotton front, sleeves, & collar (Navy) 7 oz. FR cotton