This is a GLOBAL WORK shacket (shirt-jacket) with a slightly crisp feel. ● I wore it about 5 times after purchasing it, and then stored it in my closet. ● The buttons can be fastened with one hand with a single touch, which is very convenient. ● The fabric has a crisp feel and is wrinkle-resistant. It's not too thin, and the back is mesh, so you can use it as an outer layer in the summer, or wear it under another outer layer in the spring and fall. Manufacturer: GLOBAL WORK Size: S (Main Body) Polyester: 63% Cotton: 31% Polyurethane: 6% (Mesh) Polyester: 100% Please feel free to comment if you have any questions.