Soft, fluffy, and comfortable, these crew socks blend silk with recycled cotton for a smooth, breathable feel. Silk helps absorb moisture, while the cotton adds softness and comfort for an easy everyday pair. Details Silk 44%, Cotton 43%, Polyester 12%, Elastane 1% Crew length Small: JP 23–25 cm / EU 36–40 / US Men’s 5–7 / US Women’s 6–8 Medium: JP 25–27 cm / EU 40–43 / US Men’s 7–9 / US Women’s 8–10 Care Hand wash recommended, or place in a laundry net for machine washing Use mild detergent only