· Flame resistant underwear top in high quality merino wool. · Best quality in terms of material and workmanship guarantee all the requirements of good underwear. · As well as the ergonomic fit and the protective properties, this underwear has the wool's unique capacity to hold in warmth in both wet and dry conditions. · It is ideal for both indoor and outdoor environments. · Wash in a 60ºC delicate wash. · Certified to EN 1149-5, EN ISO 11612, IEC 61482-2. · EBT 7,3 cal/cm²