This fabric is stretchy and easy to move in☆ The width and sleeves are roomy, making it comfortable to wear. I've cut off the tag, so the material is unknown, but I think it's cotton-based. Width: 56cm Length: Front 54cm / Back 59cm Color: Yellow系 (Yellow-based) Neck: Crew neck / U-neck Pattern/Design: Solid Stains, tears, odors, etc.: None