Thinx makes period underwear for every kind of flow. Our underwear is machine-washable, reusable, and designed to replace pads and tampons. They’re like regular underwear, but *so* much better. We make period underwear—and we’re on a mission to be the most innovative leader at bringing sustainable and comfortable menstruation and incontinence products to market.

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30% Off Everything End-Of-Year Sale

Get 30% Off Everything End-Of-Year Sale

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Free Standard Shipping On First Order

Get Free Standard Shipping On First Order

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50% Off The Last Call Sale

Save Up to 50% Off The Last Call Sale

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20% When You Mix & Match 3+ Styles Customize Your Set

Save Up to 20% When You Mix & Match 3+ Styles Customize Your Set

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20% Off Saver Sets Get More, Save More

Save Up to 20% Off Saver Sets Get More, Save More

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15% Off Postpartum Set

Get 15% Off Postpartum Set

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Refer a Friend: Give $10, Get $10

Refer a Friend: Give $10, Get $10

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Modal Cotton Starting From $24

Shop Now! Modal Cotton Starting From $24

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E-Gift Card Starting From $25

Shop Now! E-Gift Card Starting From $25

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Sport Product Starting From $32

Shop Now! Sport Product Starting From $32 + 60 Days Trial + Free Return

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Hi-Waist Starting From $38

Shop Now! Hi-Waist Starting From $38 + 60 Days Trial + Free Return

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Super Hip Hugger Starting From $39

Shop Now! Super Hip Hugger Starting From $39 + Free 60 Day-Trial + Free Return

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Sleep Shorts Starting From $50

Shop Now! Sleep Shorts Starting From $50 + 60 Days Trial + Free Return

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Sign Up Our Newsletter Wins a Free Pair Every Day