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Peak Confidence

Peak Confidence

Peak confidence

Stunning Wireless Bras & Undies have this kind of effect on people. We don’t make the rules (we just break ‘em).

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New! Leakproof Shapewear

New! Leakproof Shapewear

New! Leakproof Shapewear

The 3-in-1 solution for when the holiday party syncs with your period. Like underwear, shapewear & a pad in one!

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Bundle, save & gift

Bundle, save & gift

Bundle, save & gift

Buy a few pairs for them & treat yourself, too. Save up to 25% on all Underwear bundles.

Kt Let it Flow

Kt Let it Flow

Teen Undies

It’s not weird to gift period undies

Leakproof Undies, Swim and more! Put period confidence on the top of your teens wish list.

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Ways to save

Save up to 20%

Bundle & Save up to 25%

Stock up and save when you buy more pairs.
For a limited time, including Teen Underwear!

Save on Period Kits

Save on Period Kits

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

Earn points with Knix Rewards

Earn points with Knix Rewards

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

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.

Sport Your Period.

It’s time to Sport your period.

Enough with hiding behind this stigma.

Perimenopause

Let’s Talk Perimenopause

Hold up. What is perimenopause?

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Jessie has 46" hips and wears a Knix size XXL

Super Leakproof High Rise

Save up to 25%

+7

Abigail has 33" hips and wears a Knix size XS

Super Leakproof High Rise

Save up to 25%

+7