TempSync™ Lingerie Brief

$26

10 Reviews

Rated 4.9 out of 5 stars from 10 reviews

TempSync™ Lingerie Brief

$26

10 Reviews

Rated 4.9 out of 5 stars from 10 reviews

Product Details

A first in lingerie, our patent-pending TempSync™ Brief takes breathable underwear to the next level. Made with innovative 37.5® Tech, the ultra light fabric is infused with natural minerals to control odor and move moisture away from skin. It keeps you cool before you get hot, making it the best cooling underwear for warm days, workouts, or hot flashes.

  • First-ever intimates collection featuring 37.5® Technology, designed to regulate body temperature
  • Infused with natural minerals for anti-odor protection
  • Cooling underwear for menopause and perimenopause — helps to fight hot flashes
  • Ultra light and breathable
  • Pure cotton gusset for added comfort
  • Scratch-free, tagless label
Size & Fit
  • True to size
  • High-waisted underwear
  • Full coverage
Underwear Size Chart

How to Find Your Underwear Size

It’s simple! Wrap a tape measure around the widest part of your hips to determine your measurement in inches. Then, refer to the chart below to find your corresponding underwear size.

Underwear size chart: dress size, waist and hips in inches
Size Dress size Waist (in.) Hips (in.)
X-Small (XS) 0 - 2 24.5 - 25.5 35 - 36
Small (SM) 4 - 6 26.5 - 27.5 37 - 38
Medium (MD) 8 - 10 28.5 - 29.5 39 - 40
Large (LG) 12 - 14 31 - 32.5 41.5 - 43
X-Large (XL) 16 34 - 36 44 - 46
1X 16 - 18 37.5 - 39.5 47.5 - 49.5
2X 20 - 22 41 - 43 51 - 53
3X 24 44.5 - 46.5 54.5 - 56.5
Fabric & Care
  • Thermoregulating Fabric: 83% nylon, 12% spandex, 5% nylon
  • Gusset: 100% cotton
  • Machine wash (garment bag recommended)
Shipping & Returns

Perfect fit promise: Exchanges free for 60 days for all eligible orders. Please try on the bra to ensure a good fit, making sure to leave the original tags attached. We only accept underwear in unworn condition, with original tags, in its unopened original polybag. Items marked final sale are not eligible for return or exchange. If something’s not right, we can help. Our Fit Experts are available via live chat, or email to answer any questions you might have.

Complete the Look

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What Our Customers Are Saying

  1. Jamie

    Rated 5 out of 5 stars

    So comfortable

    These are perfect for everyday wear! They are very lightweight and smooth, and stay put. Especially good for warm days but I'd wear them any time.

  2. Svetlana T.

    Rated 5 out of 5 stars

    This fabric is amazing, and

    This fabric is amazing, and keeps me comfortable all day long. I also love the shape and the fact that the top does not roll down.

  3. Sylvia

    Rated 5 out of 5 stars

    The Brief That Just Gets It Right

    I picked this one up for my sister to try, and it's a total win! She says the fabric is super breathable and lightweight, so it feels effortless from the moment she puts it on. The fit is just plain comfortable: no digging in, no shifting around, no riding up to deal with. It just stays put and lets her go about her day without a second thought. Simple, comfortable, reliable: everything you want from a brief!

    I was gifted this product as a Thirdlove employee. This review reflects my honest opinion

  4. Laurie S.

    Rated 5 out of 5 stars

    Keeps me cool at the gym

    So comfy and soft! Love how it keeps the moisture at bay while I am working out and sweating! Highly recommended!

  5. Nat

    Rated 5 out of 5 stars

    The Perfect Everyday (& Night!) Brief

    These are exactly what I want in an everyday brief—soft, breathable, and so comfortable. They have great coverage without feeling bulky, stay in place all day, and keep me feeling cool even in the summer heat. I also love sleeping in them because they're so lightweight and comfortable that I barely notice I'm wearing them. I'll definitely be buying more!

    Thirdlove employee here! I was gifted this product, and this review reflects my honest opinion.