Flame-retardant underwear top with half-zip in Merino wool (68%). The highest quality in terms of fabric and manufacturing, guaranteeing all the requirements of good underwear. This model is extended in the back with a high collar for excellent protection in cold, harsh weather conditions. In addition to its ergonomic fit and protective properties, this underwear retains heat in both wet and dry conditions. Ideal for indoor and outdoor use. Delicately washable at 60°C. Certified to EN 1149-5, EN ISO 11612, IEC 61482-2. EBT 7.3 cal/cm².CertifiedEBT 7.3 cal/cm², HAF: 78.6%.Fabric68% wool, 30% modacrylic, 2% antistatic, merino wool, flame-retardant, antistatic, 225 g/m²DetailsExternal certification labelHigh collar with covered zipSeams with contrasting colorFinishExtension at lower backRibbed cuffs