Combine the pleasure of high-tech features with recognition for your country's competitive athletes and get warmth and protection against tired feet at the same time with the X-SOCKS® 4.0 SKI PATRIOT FRANCE 4.0. Innovations from 20 years of experience now offer you even more comfort for enduring performance. With the unique Smart Compression Zone, the Generation 4.0 high-tech socks improve blood circulation and nutrient supply in the stressed muscle areas. They prevent tired feet and ensure skiing fun even after many hours in the snow. The ingeniously designed Air-Conditioning Channel® 4.0 keeps your feet dry and warm even on demanding descents. The anatomically shaped footbed has a stabilizing effect and prevents premature fatigue. Numerous protector technologies optimize resistance to injuries on toes, heels, ankles and shins. The new HeliXCoil system integrated into the material encloses the calf with two concentrically knitted spirals which have a stabilising effect on the muscles, promote blood circulation and reduce the risk of fatigue-related injuries.