Flamestat Woolpower® high socks 9198 FSOH Low wool socks with inherent flame protection. Technique Wool insulation / Feet and legs in terry knit / Complies with standard EN ISO 14116 Index 3 and EN 1149-5 / OEKO-TEX® certified. Colour: Anthracite grey (F942) Material: 60% merino wool, 25% aramid, 11% polyamide, 2% antistatic fibre, 2% elastane. Inherent flame protection. Sizes: 36-39, 40-44, 45-48.