8 Best Underwear for Women, Tested and Reviewed by Cosmo Editors

The perfect underwear doesn’t exi—oh wait, it does, and it’s this very pair from CUUP. These modal panties are equal parts comfortable and smooth, making them ideal for any type of outfit or occasion. The gusset (aka the inner fabric) is made with antimicrobial bamboo to wick away sweat and moisture, while the rest of the bottoms are made with a soft and stretchy modal fabrication (like the material of your fave soft pajamas). The flexible and smoothing waistband can also be worn anywhere on the hip, so you can choose your preferred silhouette! And we loooove CUUP’s expansive size range.

• Sizes: XS-3X
• Body Material: Modal, Elastane
• Gusset Material: Bamboo, Spandex

If you’re looking for something that won’t bunch up while you wear ‘em, a seamless pair will be your best bet. I’ve been wearing these No Show Thongs since I was in high school—panty lines in my leggings have always been a pet peeve of mine. These babies have four-way stretch and raw edges so you literally cannot see them through any clothes—trust. They also come in a bajillion styles and colors (but I must say, the smooth neutral tones are the most invisible ones out there).

• Sizes: XS-XXL
• Body Material: Recycled Polyamide, Elastane
• Gusset Material: Cotton

A cotton panty provides ideal breathability for your vag, and OnGossamer’s are my go-to. Made with 94% high-quality cotton (and 6% spandex for some stretch), these panties are ideal for comfort down there. Not only are they airy and cozy, but the delicate trim adds a cutesy touch to every pair! They come in a bunch of colors from neutrals to pastels—I’ll be restocking in every color, ty very much.

• Sizes: XS-XL
• Body Material: Pima Cotton, Spandex
• Gusset Material: Pima Cotton

Boy shorts are my fave style of underwear to wear to sleep in, and it’s no surprise that SKIMS makes the best ones out there. The brand’s beloved jersey cotton material is buttery soft and breathable. The ideal combo for underwear if ya ask me! And you know Ms. Kimberly always pulls through with that size and color range!

• Sizes: XXS-4X
• Body Material: Cotton, Elastane
  
• Gusset Material: Cotton

We all deserve a lacy moment, but we need a comfy pair that are sturdy and won’t tear as soon as you pull them up. “I’ve tried so many pairs of lace underwear and Cosabella’s land on top thanks to the super soft lace, the stretch, and breathability,” says shopping editor Hannah Oh. “There’s no itchiness here, and they come in so many different colors. Pro tip: Pop them in a mesh bag when you do laundry to prevent any wear and tear!”

• Sizes: S-XL
• Body Material: Polyamide, Elastane
• Gusset Material: Cotton, Elastane

If you’re gonna wear underwear while you workout, let’s make sure they’re gonna be the best option for your active body during your sweat sesh. These briefs from Bombas are made with super stretchy elastic and are constructed from a single piece of fabric, so there aren’t any harsh seams. “Bombas are my go-to for everyday wear and exercise,” says associate shopping editor Daisy Maldonado. “They never ride up and I love how seamless they are under my clothes. They’re truly so lightweight, I forget I even have anything on!” Plus, these have a built-in floating gusset for ideal vag comfort.

• Sizes: XS-2X
• Body Material: Tencel Modal, Nylon, Elastane
• Gusset Material: Tencel Modal

Looking to minimize your pad or tampon use? Tired of free bleeding on day four or five? Well, period underwear is about to be your new best friend. “I’ve been a Knix stan for as long as I can remember, not just because they’re Canadian (like me). Their leakproof styles are a staple for me when I’m on my period,” says associate editor Hannah Chubb. “I sometimes wear them all month long because they’re silky smooth, seamless under clothes, and comfy as hell.”

• Sizes: XS-4X
• Body Material: Nylon, Spandex
• Gusset Material: Cotton, Spandex, Polyester

High-waisted panties are ideal for dresses, high-rise jeans, or honestly anytime you wanna smooth out pesky panty lines on your lower belly! “If you like stretchy, ribbed fabric, LDMA’s high-waisted undies will give you that supported feeling,” explains Oh. “They’re my go-to wear-under-high-waisted-jeans pairs and they hold up reaaaally well in the wash, too!” The thick and raw-edged waistband provides that no-show and smoothing effect while giving ya plenty of coverage.

• Sizes: XS-XL
• Body Material: Nylon, Spandex
• Gusset Material: Nylon