It warms your stomach and waist while you sleep, promoting blood circulation and keeping you cool.
Prevents the development of lower back pain caused by the cold. From the popular "Akanake" Sensei and
Just like Akasabai Sensei no longer changes in the material and function of bio-current while you sleep.
It helps to improve your natural healing. Covers your lower abdomen and is often used in winter
Reduces toilet times at night.