At Costco, I found a great camisole with stretchy support called "Fat Free Dressing" ---several colors and styles available for $15.99 each. I lost a lot of belly fat, but I have rolls of saggy skin around my waist and on my abdomen. This disguises it nicely without feeling like I can't breathe. It's very comfortable & seems to run true to size.
(I purchased a similar one online for $14.99 +shipping, but didn't like it as well as this one.)
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Costco sells other camisoles, but they don't give support to hold in the flab like the "Fat Free Dressing." I like these, too, but they run a little big, so I would buy a L instead of an XL or a M instead of a L, etc. (2/pkg/$12.99)
I bought only one "FF Dressing" ---will go back for more