Thanks to the special structure of inner silk and outer merino, it keeps feet breathing, weil retaining natural body heat. Wearable throughout year.

The contacted part on skin is 100% silk. Outer part is 100% merino. Very little functionally-necessary synthetic fibre is used by 10%.

Structure: Inner: 100% Silk / Outer: 100% Merino wool
Composition : Wool 51%, Silk 39%, Polyester/Polyurethane 10% (inside fibre)
Made in Japan