Some days you want a bra that’s relaxed and completely disappears under your favorite T-shirt. Other days (especially when you’re out on a scorching summer day and the hot flashes hit), you want something that feels light, cool, and breathable.
That’s why we’re obsessed with Thirdlove. Designed using data from thousands of real women’s measurements and wear-testing, their bras are available in half-cup sizes that truly deliver your perfect fit.
With styles built for invisible everyday wear and temperature-balancing comfort, there’s a Thirdlove bra for whatever your day looks like. And their Fitting Room Quiz makes it a breeze to find your ideal size.
Our editors took a closer look at two of Thirdlove’s most popular styles – the ComfortStretch Back Smoothing T-Shirt Bra and the Thermoregulating TempSync™ Wireless Plunge Bra. Keep reading to find which one is your perfect match.
15-Second Decision Guide
Compare the features to find your fit.
If you want…
- 👕 Smooth, seamless coverage under tees
- 🛋️ Body-hugging comfort that stays put
- 🏃 A reliable everyday staple Shop The ComfortStretch T-Shirt Bra
If you want…
- 💃 A flattering plunge for lower necklines
- 🌬️ Breathable, cooling comfort
- ✨ Lightweight lift without wires Shop The Thermoregulating TempSync™ Wireless Plunge Bra
ComfortStretch Back Smoothing T-Shirt Bra
Overview
At $78, the ComfortStretch Back Smoothing T-Shirt Bra’s body-hugging fit and peachy-soft feel are fabulous for daily wear. It’s seamless, so it vanishes under clothing, giving you a clean silhouette.
The result is a bra that looks as good as it feels, while keeping you supported and comfy from morning to night.
Who It’s For
- Anyone looking for their new go-to everyday bra
- T-shirt lovers and those who wear snug fits
- People who prioritize classic simplicity
Our Favorite Features
- ComfortSmooth back design reduces back & arm bulge
- No bulky seams or stiff stitching
- 4-way stretch fabric that hugs your shape
- Ultra-thin foam cups for natural shaping
- Flexible, poke-free underwire for added structure
Where It May Not Be Ideal
- If you prefer a wire-free bra
- If you want a low-cut, more revealing neckline
- If minimal styles aren’t your thing
Thermoregulating TempSync™ Wireless Plunge Bra
Overview
At $72, the Thermoregulating TempSync™ Wireless Plunge Bra is great for breathable, wire-free, all-day comfort. Powered by 37.5® technology, it helps regulate body temperature to keep you cool, whether you’re dealing with hot flashes during menopause/perimenopause or just those warmer days.
The lightweight, plunge design lifts with just-right coverage. It’s super versatile and works for pretty much everything, so you can wear lower necklines with confidence.
Who It’s For
- Anyone who lives for wire-free comfort
- Those looking for the right bra to survive a sizzling hot summer
- People battling hot flashes or temperature swings due to hormonal shifts
- Anyone who wants a lower neckline to show off her girls
Our Favorite Features
- 37.5® tech actively regulates body temperature
- Breathable, comfy, wire-free cups that lift and shape
- Smooth, invisible design under clothing
- Multi-way convertible straps (including x-back option)
Where It May Not Be Ideal
- If you prefer structured, underwire support
- If you want full coverage
Our Verdict
The truth is, our editors are obsessed with both bras – the right choice just depends on how you feel when you get dressed. If you find it tough to choose between smooth comfort and cool support, simply treat yourself to both!