Flamestat 9194 FSOL socks with natural flame protection in a soft and durable material.Technique: Ribbed leg / Terry cloth reinforcement at the heel and toe / Complies with EN ISO 14116 Index 3 and EN 1149-5 standards / OEKO-TEX® certified.Colour: Navy blue (F540)Material: 54% modacrylic, 44% cotton, 2% antistatic fibre. Inherent flame protection.Sizes: 37-39, 40-42, 43-45, 46-48.