Worn for a few hours at home. TEIJIN Sokudan Hanten Sugupoka A hanten that warms up in about 1 minute due to its heat-generating effect. * Uses Teijin's original heat-generating fiber "V-Lap BURNER" * Lightweight at approximately 480g, so it's comfortable to wear for long periods. * Can be washed at home using a laundry net. * Uses a soft boa material for the neck and wrists. * The wrists have elastic, so they won't fall down even when you roll up your sleeves. Size: S-M Will be shipped compressed. Hanten Teijin