American Breast Care ABC 505 Soft Shape Seamless Mastectomy Bra. This is a light seamless T-Shirt bra that has lightly padded shoulders for extra comfort. The side stay ribs have been replaced by a power-net a material that adds comfort without losing support. The primary material is Tactel a moisture wicking fabric that's breathable and quick-drying. Available colors are White Beige Champagne and Black. This is for an average profile fit. Available sizes are 34-44AA-B; 34-40C.