24/7® Classic T-Shirt Bra
ThirdLove’s signature T-shirt bra keeps the 24/7 fit promise smooth, lightly shaped, and invisible under clothes.
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Story & heritage
ThirdLove’s 24/7® Classic T-Shirt Bra anchors the brand’s fit-first identity: the official product page describes it as “the first bra ever made in half cup sizes” and built for everyday support and comfort.
The broader ThirdLove story is also size-led: the brand was founded in 2013 by Heidi Zak and David Spector and became known for size-inclusive bras, half-cup sizes, and the FitFinder quiz.
Materials & craft
The official product details list memory foam cups that mold to shape, adjustable stay-put pleated straps, a no-show double-layer back, flexible underwire, and a 76% nylon / 24% spandex fabric blend.
How to choose & style
Style it as the quiet base layer: choose the coverage and neckline around the outerwear first, then use ThirdLove’s neutral palette when you want the bra or underwear to disappear under clothes.
