About the product: This is a plain gray T-shirt. It is not an undershirt. It has been washed. For this season, I think it would be good to wear a shirt over this T-shirt! - Size: S - Color: Gray - Design: Plain Navy blue is also available. If you purchase two, it's 500 yen. Please comment if you would like to purchase two. I will accommodate! *This size can also be worn by children, so please consider it. Thank you for viewing. Please understand that this is a used item. Thank you.