Fire-resistant and anti-static thermal undershirt, without inherent metals, made of Merino BX (60% wool / 38% FR Viscose / 2% Anti-static fiber) 250 g/m². Long sleeves and high collar, with protective collar closure. All seams are flame retardant, which increases the life span of the garment. Washable at 40º. Clothing certified for work with risk of heat and flame, electrostatic discharges and electric arc.Normative index:EN ISO 11612: A1+A2 B1 C1 F1, IEC 61482-2: APC 1, EN 1149-5