[End of season sale] iS-fit Moisture-absorbing heat-generating boa insole, free size for men, 1 piece

Converts sweat into heat. Keeps your feet warm! Excellent heat retention! Lightweight and soft to wear♪ It is a bore type. ●This is a new type of heat-retaining fiber that absorbs moisture and generates heat to keep your feet warm. ● It suppresses the growth of bacteria on the fibers, reduces unpleasant odors caused by sweat, etc., and keeps the inside of the shoes hygienic. [Material] Polyester, acrylic, polyvinylidene chloride, unspecified fibers (acrylate fibers) [How to use] (1) This product is size L, but you can cut it to fit your shoe size. (2) When cutting, cut as far outside the heat seal lines as possible. (3) Place the insole with the boa side facing up, check the left and right sides, and then place it inside your shoe. * For best results, dry the pair every two days and use two pairs alternately. [Caution] - If the shoes you are using the insoles in have removable insoles, please remove them before using the shoes. - If you experience pain in your feet or any other abnormalities in your body, discontinue use immediately. -If you have poor circulation or diabetes, or if you have eczema, swelling or cuts on the soles of your feet, please consult a doctor before using this product. ・Do not use items that are damaged or deformed. -Store in a cool place away from direct sunlight. ・Do not wash. This may cause damage or discoloration. If it gets dirty, wipe it off with a tightly wrung towel. -Please keep out of reach of children.