I bought this to try and improve my posture. I wear it once every few days to help me be more aware of my posture. I tried it for about two months and then stored it at home. It has been worn and washed, so there is some wear and tear, but it can still be worn and is still effective. There are no stains, but there is some wear and tear. Colors: Black, Beige Size: M Retail Price: 6,480 yen Official Website Description → Shoulder exercises while putting it on and taking it off. It moves the muscles around the shoulders greatly. Because it's a short-sleeved design, power net is attached to the skin between the shoulder blades to increase the power to pull the shoulders and arms backward.