★Please read the profile before purchasing. Kinuyo (Silk Shop) Kinuyo Gokudan Silk Two-Layer Socks Set - Five-finger socks & rounded toe socks Heat generation: Increases temperature by 3.6°C Adds 3.6°C of warmth to your body temperature Color: Sumi (Ink Black) Size: 23.0 - 25.0cm Material (1st layer): 100% Silk Material (2nd layer): 100% Cotton Made in Japan Price: ¥3,850 Unopened Price reduced. Shipping included. No price negotiations, please.