There are no size or material markings, but judging from the fact that it doesn't require ironing, it's likely a blend of polyester and cotton. It's easy to wear. Chest: 100cm Length: 75cm Sleeve Length: 54cm Shoulder Width: 44cm There are two tucks on the upper back. There is one stain. It's near the fourth button from the bottom on the front. See the last photo. It has been washed at home.