Is Thirdlove’s cooling bra actually cooling? I tested it for over a year to find out

NBC Selected independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more.ApparelThirdlove’s TempSync T-Shirt Bra is the only one that doesn’t make me miserable in hot weather — and it actually supports my large chestIt dries boob sweat before you even realize you’re schvitzing, and it never, ever traps heat in the padded cups.July 15, 2026, 4:50 PM EDTZoe MalinReporterSkip to table of contentsThirdlove’s TempSync T-Shirt Bra doesn’t hold onto heat or moisture unlike most of other lined options, and it gives my 36D chest the lift and shape I look for. Courtesy Zoe MalinIn this articleWhat is Thirdlove’s TempSync T-Shirt Bra?How I wear Thirdlove’s TempSync T-Shirt BraWhy I love Thirdlove’s TempSync T-Shirt BraSomething to noteThe bottom line: Is Thirdlove’s TempSync T-Shirt Bra worth it?What else is in Thirdlove’s TempSync collection?Why trust NBC Selected?See 4 MoreI’ve always believed that the best bra for you is the one you forget you’re wearing. But during the hottest, most humid months of the year, that’s a high bar to clear. In fact, I’ve only found one that actually achieves the feat: Thirdlove’s TempSync T-Shirt Bra. The brand sent me a sample when it launched in May 2025, saying the undergarment has features that regulate your temperature and pull moisture (a.k.a. boob sweat) away from your body. And to my surprise, that’s what I experienced when I wore it. I’ve now been loyal to the TempSync T-Shirt Bra for over a year and own it in almost every color. I wear it more than any other bra in my closet because it’s so effective at preventing me from overheating year-round while comfortably supporting my 36D chest. I wouldn’t call the bra a hidden gem — it made TIME’s list of The Best Inventions of 2025, after all. But it flies under the radar way more than it should, so I’m telling you everything you need to know about it below.RelatedselectedselectedWe tested over 35 wireless bras — here are...