Short and to the point, here is the difference between the Old Momzelle Seamless Nursing Cami and the New Momzelle Seamless Maternity & Nursing Cami.
The White, is the Old Momzelle Seamless Nursing cami in size Small
The Orchid, is the NEW Momzelle Seamless Maternity and Nursing Cami in size small.
Made of the same fabric blend, 75% cotton, 18% nylon, 7% Spandex/Elastaine, both tops have the same bust and width.
The noticeable difference is in the length. The new cami is 4 cm longer.