Cotton spandex pull-over sleep bra with cross-over pull down opening for easy nursing. Comfortable to wear day and night with no hooks and t-back design. Logo elastic at bottom band. 58% Polyester/32% Cotton/10% Spandex. Hand wash, line dry. Sizing: depending on back size - the approximate size conversions are: S 32-34A, 32B, 32C M 34-36B, 34C, 32D, 32DD L 38-40B, 36C, 34-36D, 34DD XL 38-40C, 38-40D, 36-38DD 2XL 42-44C, 42-44D, 40-42DD