24/7™ Pima Cotton T-Shirt Bra Sea salt 32B 1/2 To make the best cotton bra, we utilized luxuriously soft, and breathable Pima Cotton to create our 24/7™ Pima Cotton T-Shirt Bra. Designed with memory foam cups, smooth band, and cut-out front detail, this underwire cotton bra is an effortlessly cool style that gives you all-day comfort and support. Memory foam cups Flexible, nickel-free wires Foam padded hook & eye with tagless (scratch-free!) printed label