The open toe and heel design allows for breathability, while the gentle compression on the sole of the foot provides added support and comfort. The socks also feature a grip on the bottom to prevent slipping and sliding. Our knee-high socks featuring an open toe and heel, perfect for yoga or Pilates practice. These socks provide gentle compression on the feet and are crafted from a soft wool blend, ensuring comfort throughout your workout. 58%Acrylic, 18%Wool, 17% Nylon, 6%Polyester, 1%Spandex Machine wash warm, tumble dry low Made by Craftsman in Japan BITTER YELLOW