Hand-knitted socks. These socks are made with sock yarn, a durable yarn blend containing polyamide (nylon). Wool socks are warm and breathable. ◇Size 21-23cm ◇Materials Wool …75% Polyamide …25% ◇Care Instructions ・Hand washing separately is recommended as the color may fade. ・Machine washing in a laundry net is also possible. ・Do not use bleach or a dryer. ◇Other ・This is a handmade item. Please understand that there may be slight variations and errors between the left and right socks. ・The color and texture may appear different depending on your device.