Made of sturdy, firm 100% cotton material, it has a stiffness similar to denim. It can be cleaned at home, making it economical. You can wear it regardless of the season. Although it's labeled as a foreign size 3, it feels like a Japanese L size when worn. The red line on the back is a cool accent. Please understand that this is a used item before purchasing. Please see the last image for the size. Outerwear Type: Single-breasted Pattern/Design: Stripes