These socks use Dralon cotton yarn, a cotton and acrylic mix yarn, recycled cotton yarn, and combed cotton yarn.
Easy to clean
77% cotton, 13% nylon, 9% acrylic, 1% polyurethane
Made in Japan
Please note, Chup advises against machine drying any of our socks. However, when in doubt about choosing a size, try erring on the side of too big and you can try gently inducing some shrinkage of the socks with each wash.