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Are you wearing the wrong underwear for your workout?

stocksy-vera-lair-details-of-woman-in-casual-underwear Pin It
Photo: Stocksy/Vera Lair

Raise your hand if your dresser has been overtaken by colorful lace and satin panties.

Admit it: You’re proud of that top drawer (and maybe the one below it, too). At more than $10 a pair, you’ve invested in quite the collection of mood-boosting, super-sexy, and oh-so comfortable underwear, and it wasn’t built overnight.

But, as pretty as lace is and as nice as silk feels, it turns out those fabrics might not be the best choice for your down-unders—especially when it comes to all the sweating, squatting, and sprinting that you crush on the reg. (And they’re not ideal if you’re trying to avoid butt-ne, either.)

To get the scoop on what’s actually healthy, I consulted Eden Fromberg, DO, a holistic gynecologist in New York City. “Vaginal health relies on an intricate ecosystem of microorganisms,” she says. “The fabric that underwear is made of influences this ecosystem in various ways.”

One of the main causes of any infection is moisture, explains Dr. Fromberg. “The vaginal immune system is designed to resist infection, but moisture-retaining underwear—like synthetic fabrics, tight garments, and even natural silk—can interfere.”

So even though that silk and lace may look the best, the healthiest option, by far, is 100 percent organic cotton, says Dr. Fromberg. However, some Lycra or lace undies that feature a cotton lining can be a healthy back-up if you’re having trouble sacrificing your pretty underthings.

“The best form of action is prevention,” Dr. Fromberg attests. While she recommends you always wear underwear when you work out—that friction is a major no-no—wearing the right pair and changing your undergarments immediately post-workout is the most ideal scenario to save yourself from any painful situations.

Scroll down to see five of the healthiest—and least boring—100 percent cotton underwear options for your next workout.

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healthy underwear
Photo: Shift to Nature

Shift to Nature Black/Stripe Underpants, $18


healthy underwear
Photo: Brook There

Brook There Pine and Emerald Organic Hipster, $32


healthy underwear
Photo: Pact

Pact Super Soft Organic Women’s Classic Fit Bikini, $23


healthy underwear
Photo: Hanky Panky

Hanky Panky Organic Cotton Boyshort with Lace, $29


Photo: Only Hearts

Only Hearts Organic Cotton Hipster, $35

Speaking of your nether regions, find out how Lo Bosworth is helping you take better care of your vagina. And if you do get a yeast infection—hey, it happens!—here are some healthy ways to deal