This is a dark brown innerwear with a soft cotton material and a built-in belly band. 95% cotton 5% polyurethane - Color: Dark Brown - Material: Cotton - Style: Belly band Thank you for viewing. This is a set of 5 Hotcott innerwear with belly bands. Although it's size 4L, it's actually around L to 2L. It's a size that people with a normal build can wear comfortably. Please understand that there is some wear and tear before purchasing. The bonus is a belly band & neck warmer from MUJI.