Flame retardant and anti-static long sleeve undershirt. 59% Modacrylic, 39% Cotton ,2% Anti-static Fiber, 235 g/m² .Garment certified for work with risk of heat and flame, electrostatic discharges and electric arc. All seams with anti-flame thread, which increases the life span of the article. Round collar and modern cut for better freedom of movement. Washable at 60º.