BRUBECK® thermoactive socks. - 46% polyester, 25% polypropylene, 19% cotton, 7% polyamide, 3% elastane - the two-layer construction of the socks is based on modified polypropylene fibers enriched with an antibacterial agent - durable polyester fibers together with high-quality soft cotton ensure effective moisture transport and exceptional durability and comfort - inner terry finish around the toes, on the bottom of the foot and heel provides effective protection against injuries and abrasions and guarantees thermal comfort - thinner fabric under the toes effectively protects against blisters and abrasions - terry cloth in the front part of the tibia and in the area of the ankle joint absorbs the pressure of the tongue and laces, and protects against abrasion and blisters - high, ribbed, elastic welt prevents the sock from slipping off the calf, without restricting blood circulation - the special construction around the STICK SYSTEM ankle prevents the sock from moving sideways, keeping it in the right place after position - additional reinforcement in the form of a pressure-free MIDDLE ZONE welt in the middle part of the metatarsal prevents the sock from moving on the foot - in the part of the metatarsal bordering the toes and on the instep there are zones made of thinner fabric with a mesh structure (PIQUE construction), supporting air circulation and moisture transport - tested for the content of harmful substances in accordance with OEKO-TEX® Standard 100