Socks that reduce muscle fatigue with Celliant material Gray (the parts that look black are a bit more grayish) Short length Reduces muscle fatigue • Promotes blood circulation • Aids recovery from fatigue Price: 1408 yen (tax included) * The 3rd and 4th images are not for sale. We have taken photos of the sneaker-length 23-25 size to show the design. Left and right specific design: R (right) and L (left) marks are on the little toe side. Please check the following details in the 2nd image. Instep is made of breathable mesh. Stability that fits the ankle. Large design that wraps around the heel. Reduces arch drop and supports the sole of the foot. Fingertips have cushioning to reduce impact on the feet. Thank you for looking.