Buy Comfortable Wireless Bras & Seamless Underwear Online - Knix

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Valeria Swim

Valeria Swim

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.

SHOP ALL SWIM LEAKPROOF SWIM

Knix Underwear on Hangers

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.

SHOP UNDERWEAR SHOP TEEN UNDIES

Forever classic white

Forever classic white

NEW ESSENTIALS DROP

Forever classic white

Freshen up any outfit with crisp white staples that fit seamlessly into your wardrobe.

WHAT'S NEW IN WHITE SHOP WIRELESS BRAS

Why Choose Knix

Why Choose Knix

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.

Perimenopause

Let’s Talk Perimenopause

Hold up. What is perimenopause?

Find your perfect bra

Find your perfect bra

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

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Sale

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Best Sellers

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Leakproof UltraThin No-Show High Rise

Leakproof UltraThin No-Show High Rise

+4

Abigail has 33" hips and wears a Knix size XS

Super Leakproof® No-Show High Rise

+9

Revolution Adjustable Pullover Bra

Revolution Adjustable Pullover Bra

+5

Rue has 34" hips and wears a size S

Light Leakproof No-Show Bikini

+18

WingWoman Contour Bra

WingWoman Contour Bra

+2

Revolution V-Neck Bra

Revolution V-Neck Bra

+12

Mix and match your choice of colors!

Heavy Period Kit - High Rise

Maya has 43" hips and wears a Knix size L

Ultra Leakproof Zones+ High Rise

Leakproof UltraThin No-Show Bikini

Leakproof UltraThin No-Show Bikini

+4

Mix and match your choice of colors!

Mixed Period Kit - Boyshort

Plunge Worthy Bikini Set

Plunge Worthy Bikini Set

Full Focus Active Set

Full Focus Active Set

Teen First Period 7-Pack - Bikini

Teen First Period 7-Pack - Bikini

One&Only Bra™ Set - Bikini

One&Only Bra™ Set - Bikini

Teen Period Full Confidence Swim Set

Teen Period Full Confidence Swim Set

Sultry String Bikini and Skirt Set

Sultry String Bikini and Skirt Set

Leakproof Classic One Piece Set

Leakproof Classic One Piece Set

Mesh Deep V Bra Set - High Rise

Mesh Deep V Bra Set - High Rise

High Confidence Swim Set

High Confidence Swim Set

Totally Sporty Swim Set

Totally Sporty Swim Set