Stay safe and cool at work in the Carhartt Flame-Resistant Traditional Short-Sleeve T-Shirt. Carhartt's flame-resistant short-sleeve t-shirt is perfect to layer or wear alone. Made of 6.5-ounce flame-resistant knit, a blend of 55% modacrylic and 45% cotton, it features a work-functional chest pocket, side-seam construction to minimize twisting. *6.5-ounce flame-resistant knit *Work functional chest pocket *NFPA 70E compliant