You’re hot. Get the suit.

Our biggest swim drop ever is here. Choose from figure-flattering styles and Leakproof options. And don’t miss a moment of the fun.

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Knix Underwear on Hangers

Bundle & Save on Undies

Save up to 25% on Leakproof & Essential undie styles. Discount applied automatically. All you have to do is choose.

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WingWoman Contour Bra

+2

Revolution V-Neck Bra

+14

Ultra Leakproof Zones+ High Rise

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Revolution Adjustable Pullover Bra

+5

Super Leakproof™ No-Show Bikini

+9
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Revolution Shadow Mesh Bra

+2

Super Leakproof™ Dream Short

+5
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The One&Only Scoop Bra™

+4

Super Leakproof™ No-Show French Cut

+9
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Revolution V-Neck Bra

+14
Thigh Savers BMSM
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Break up with chafe

So many outfits, so many ways to save (money and your thighs).

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Shop Sets

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Heavy Period Kit - High Rise

One&Only Bra™ Set - Bikini

Mixed Period Kit - Boyshort

Plunge Worthy Bikini Set

Full Focus Active Set

Teen First Period 7-Pack - Bikini

Teen Period Full Confidence Swim Set

Mesh Deep V Bra Set - High Rise

Sultry String Bikini and Skirt Set

Totally Sporty Swim Set

Leakproof Classic One Piece Set

High Confidence Swim Set

Why Choose Knix

Ways to save

Save on Period Kits 4

Save on Period Kits 

Skip the guesswork with curated Period Underwear Kits and save 10–15%

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Save up to 20%

Mix & Match: Save up to 25%

Buy 4+ Save 15%, Buy 7+ Save 25% when you bundle any eligible Leakproof Underwear, Shapewear or Thigh Savers.

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Earn points with Knix Rewards

Earn points with Knix Rewards

Spend $1, earn 1 point every time you shop. Redeem $10 every 100 points.

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WE'RE REDEFINING INTIMATES

At Knix, we believe that everyone should be able to live unapologetically free.

Free from judgment. Free from self-doubt. Free to be yourself.

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Come say hello in-store!

Find your perfect fit for wireless bras, leakproof undies and more. Stores in US & Canada.

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Perimenopause

 Let’s Talk Perimenopause

Hold up. What is perimenopause?

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Find your perfect bra

Find your perfect bra

Know what you like, but not sure where to start?

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