American Apparel 2X1 Ribbed Tank 100% Rib cotton, combed for softness and comfort Wider, textured ribbing for more stretch and give 3/8" (1cm) Baby Rib binding for reinforced shape through repeated washings Fine Jersey cotton, combed for softness and comfort Durable double-stitched bottom hem Order one size up for better fit – will shrink an average of one size in the wash