Blossom - Feeding Bra The Blossom Nursing Bra is 100% Cotton 1. Comfort Maternity bras do not have an underwire, yet are still able to support your breasts 2.Uninterrupted nursing While research is yet to be conclusive, experts suggest that the under-wire in ordinary bras may apply excess pressure on the milk ducts, effectively blocking them. Nursing bras have the dual benefit of being both comfortable yet supportive, ensuring that blood flows freely within your soft breast tissue. 3.Convenient Imagine always taking off your bra to breastfeed your little one – it would be very inconvenient. However, a nursing bra comes with conveniently placed clips that are easy to hook and unhook in seconds, allowing quick and unhindered access to the breasts.