The left sleeve is short-sleeved, and the right sleeve is long-sleeved. This is for people who have difficulty changing clothes due to injuries or fractures. It has buttons for easy removal of the left sleeve. It's convenient when it's difficult to put your arm through, such as when you have an injury or fracture. Unisex Color: Navy Size: S Nursing wear It cost over 8,000 yen when purchased. I wore it once when I was injured and then washed it.