We call it the wide strap “bra” - you can call it your new best friend :) Signature bound edges. Pullover design. Best fits US cup sizes A through D. 92% organic cotton, 8% spandex Many people size up from their usual size in this style. Use our bra size guide below when figuring out your correct size. arq size rib measurement cup size xs 24-26" a-d s 26-28" a-d m 28-31" a-d l 31-34" a-d xl 34-37" a-d 2x 37-41" a-d   *We like our clothes washed cold, line-dried, and a little bit rumpled around here. Your clothes, energy bill, and the earth will like it too! :)