This Exel sock features an anatomical design with engineered foot bed and ankle opening for superb comfort at all levels of the game. Non-slip cuff makes sure the sleeve stays in its place. Rib shaft enables best fitting. Heel has a slightly cushioned area for better impact absorption. Arch support keeps the sock stable on the foot. Composition 51% polypropylene, 34% cotton, 13% polyamide, 2% elastane.