I loved my Glamourmom nursing tank (I think technically they call it a "top", which has different clasps than their "tank") and just ordered another one, although with a 41w belly, it doesn't fit just yet. :)
FWIW, I was at Target last week and thought their regular bras were not very impressive. There was a denim colored cotton one that just seemed like the straps weren't very well built and the cup style was all wrong for me personally. I did buy two of their cotton sleep-style bras, and plan to wear those and the Glamourmoms until my milk comes in, then go shopping. I'll be back to work while pumping in a few months, so I do think it's important for me to spend some bucks to get something supportive and comfortable. I happen to like molded cups, and plan to try on a bunch at Motherhood and Pea in the Pod (only buy there if it's on sale!!). I bought a Majamas sleep bra online last week in their "new" organic silky material, and it was dreadful. I don't even have milky boobs yet and literally the underside of my boob was at exactly the same place with it on or off. Which is frustrating, since I had a Majamas plain cotton one from last time and it still gives reasonable support. Same size, different material, not adequate. I had to beg the seller to take the return!
Personally, I could never have nursed with #1 in regular bras. Not a modesty issue, but again, with molded cups, you'd either be hoisting your boob way up and over or mashing the bra down, which will ruin it quickly, or slipping the strap off of your shoulder, which isn't a look I like in the summer. I'm only a 36D or so, but I like supportive underwire bras and never really liked the all-stretchy cup ones. I leaked through quickly and always felt droopy.
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