Flame retardant and anti-static long sleeve t-shirt in 60% merino wool/38% Lenzing FR®/2% Beltron®. Cool and comfortable material, r egulates body temperature. Available sizes: XS-4XL. Available color: anthracite gray. Conforms to: EN ISO 11612 A1B1C1, EN 1149-5, IEC 61482-2 Class 1 (4kA).