♥ 2 Sets Color: Black Size: 25-27cm Notes: Please be sure to follow the care instructions when washing. [Precautions for washing at home] ● Wash with a neutral detergent. ● Use a laundry net when washing. ● In the case of dark-colored items, wash separately from white and light-colored items. ● Rinse thoroughly. ● Do not use chlorine bleach, and use oxygen-based liquid bleach. ● Do not use a dryer. ● Hang to dry with the logo rubber part facing up. Material: Quality = Acrylic, wool, and others Comments: Socks Supplement: Just Like a Kotatsu Socks. It's incredibly warm. Warming your ankles with heat-generating material creates a "just like a kotatsu" feeling of warmth. Uses heat-generating and heat-retaining materials comparable to a kotatsu. ■ Point 1: Warmth that wraps your whole body from your toes. The unique knitting method gently wraps your toes, providing a comfortable warmth, just like being in a kotatsu. ○ Relaxed fit at the opening, not constricting. ○ Thick, fluffy pile from the toes to keep you warm. ■ Point 2: Specially developed special heat-retaining and heat-generating material. Uses Okamoto Corporation's specially developed heat-retaining and heat-generating material to create even warmer socks. ■ Point 3: The ankles, which tend to get cold, are covered with heat-generating material. The unique knitting method uses heat-generating material on the San'in-ko (acupressure point) area of the ankle. Warms through thermal stimulation of the ankle. ■ Compare it to regular thickness socks, and it's obvious! Thick and warm. Just slip them on when you feel cold. Recommended for those who want to relax, have cold feet while sleeping, or find cold flooring difficult to bear.