Purchased for around 3700 yen. Brand new, unopened. How about it for warming up? Product Description ● Supervised by a Doctor of Medicine ● Unisex ● Warm supporter, just wrap it on ● Approximate size: around wrist and ankle, about 15-30cm ● Warm support with double power of moisture absorption and heat generation x heat retention ● Warm and cozy by concentrating on warming the warm sensation points ● Recommended for those who can't fall asleep due to cold feet ● Thin, so it can be used all season, such as for measures against air conditioning in summer ● One-touch tape attachment allows you to adjust the fixing strength and protect weak joints ● Warm without the need for electricity or a hot pack ※ The specifications have been changed from the November 2023 sales (added heat-generating fiber. The length has been changed so that it can be used for both wrists and ankles)