100% cotton gray front-opening pajamas, size M. - Brand: GUNZE - Color: Gray - Size: M - Material: 100% cotton - Design: Long sleeves, long pants, front opening It's not very thick, so I think it can be used in seasons other than summer. New with tags, but stored at home. I don't see any stains, but there are storage wrinkles. Please refrain from purchasing if you are concerned about these things. Thank you for looking.