Rib-knit design sleeveless tops, a set of two colors: black and blue. - Color: Black - Color: Blue Thank you for viewing. These are stretchy, knit sleeveless sweaters. A set of two colors, black and blue, both the same size. They look slim-fitting, but they stretch. The size is ONE SIZE. I usually wear a size M. Please comment if you would like to negotiate the price. Thank you.