The M'S SK4 Advanced ski socks from the Falke brand are designed for winter sports and physical activities at low temperatures. These ski socks are crafted with a blend of 45% polypropylene, 20% acrylic, 20% wool and 15% polyamide, offering a combination of warmth, insulation and comfort. Their functional design features reinforced sections to provide better protection and support in high impact areas, such as heels and arches. The M'S SK4 Advanced socks are available in black, with red and blue accents on the sides of the legs and at the heel area, as well as a white logo near the toes on a sock. They are designed to provide optimal support during intense physical activity.