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47 products
Best sellers illustration

Best Sellers

A roundup of our top-selling, customer-favorite styles - to make the choosing easy for you.

30% off

Thinx Modal-Cotton-Lace-Hi-Waist Spicy Front
Sizes for quick add

Modal Cotton

Modal Cotton Lace Hi-Waist

Original Price

$39

Sale Price

$27.30

Select a color
TFA Cotton-Brief Black Front
Sizes for quick add

Thinx for All

Cotton Brief

Original Price

$17

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Thinx - Sleep Shorts - Black - Front
Sizes for quick add

Apparel

Sleep Shorts

Original Price

$50

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Thinx - HS Hiphugger - Black - Front
Sizes for quick add

Classic

Hiphugger

Original Price

$35

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Thinx - Cotton Boyshort - Slate - Front
Sizes for quick add

Modal Cotton

Modal Cotton Boyshort

Original Price

$38

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TFA Cotton-Hi-Waist Black Front
Sizes for quick add

Thinx for All

Cotton Hi-Waist

Original Price

$17

Select a color
Classic collection illustration

Classic

Stylish silhouettes featuring seasonal colors and lace & mesh details in a silky-smooth fabric. Available in all 5 absorbencies for every type of flow.

Thinx - HS Hiphugger - Black - Front
Sizes for quick add

Classic

Hiphugger

Original Price

$35

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Thinx - Heavy Hi-Waist - Black - Front
Sizes for quick add

Classic

Hi-Waist

Original Price

$35

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20% off

Thinx - Sport - Spicy - Front
Sizes for quick add

Classic

Sport

Original Price

$35

Sale Price

$28

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Thinx - Boyshort - Black - Front
Sizes for quick add

Classic

Boyshort

Original Price

$38

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60% off

Thinx - French Cut - Black - Front
Sizes for quick add

Classic

French Cut

Original Price

$35

Sale Price

$14

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60% off

Thinx - Cheeky - Beige - Front
Sizes for quick add

Classic

Cheeky

Original Price

$30

Sale Price

$12

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Thinx - Thong - Black - Front
Sizes for quick add

Classic

Thong

Original Price

$25

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Thinx for All™ collection illustration

Thinx for All™

Everyday period underwear made from comfy cotton, available in our most popular absorbency levels.

TFA Cotton-Bikini Black Front
Sizes for quick add

Thinx for All

Cotton Bikini

Original Price

$17

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TFA Cotton-Brief Black Front
Sizes for quick add

Thinx for All

Cotton Brief

Original Price

$17

Select a color
TFA Cotton-Hi-Waist Black Front
Sizes for quick add

Thinx for All

Cotton Hi-Waist

Original Price

$17

Select a color
TFA Cotton-Boyshort Black Front
Sizes for quick add

Thinx for All

Cotton Boyshort

Original Price

$19

Select a color
Modal cotton collection illustration

Modal Cotton

Our buttery-soft Modal Cotton blend of SUPIMA®️ Cotton and TENCEL™ Modal is perfect for feeling *extra* cozy on your period.

30% off

Thinx Modal-Cotton-Lace-Hi-Waist Spicy Front
Sizes for quick add

Modal Cotton

Modal Cotton Lace Hi-Waist

Original Price

$39

Sale Price

$27.30

Select a color
Thinx Modal-Cotton-Lace-Brief Black Front
Sizes for quick add

Modal Cotton

Modal Cotton Lace Brief

Original Price

$38

Select a color
Thinx - Cotton Boyshort - Slate - Front
Sizes for quick add

Modal Cotton

Modal Cotton Boyshort

Original Price

$38

Select a color

50% off

Thinx - Cotton Brief - Black - Front
Sizes for quick add

Modal Cotton

Modal Cotton Brief

Original Price

$35

Sale Price

$17.50

Select a color

50% off

Thinx - Cotton Bikini - Black - Front
Sizes for quick add

Modal Cotton

Modal Cotton Bikini

Original Price

$35

Sale Price

$17.50

Select a color
Thinx air™ collection illustration

Thinx air™

Feel light as air in our breathable, quick-drying micromesh fabric. Perfect for when you need a lil ventilation down there.

30% off

Thinx - Air Hiphugger - Black - Front
Sizes for quick add

Thinx air

air Hiphugger

Original Price

$35

Sale Price

$24.50

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50% off

Thinx - Air Bikini - Dusk - Front
Sizes for quick add

Thinx air

air Bikini

Original Price

$35

Sale Price

$17.50

Select a color
Apparel collection illustration

Apparel

Our apparel offers built-in period protection, so leaks & stains won't have to get in the way of you doing your thing.

Thinx - Sleep Shorts - Black - Front
Sizes for quick add

Apparel

Sleep Shorts

Original Price

$50

Select a color
Saver Sets collection illustration

Saver Sets

Our Sets are curated *just for you* with our best-selling premium styles for cycle-long protection — at a discounted price.

$8 saved!
Thinx - TFA Black Super Bikini Set - Flat
Sizes for quick add

Saver Sets

Saver Set Price

$51

$43
  • 3 Super Cotton Bikiniin Black

    5 out 5 droplets
  • $8 saved!
    TFA Black-Heavy-Brief-Set collectionFront-Flat
    Sizes for quick add

    Saver Sets

    Saver Set Price

    $51

    $43
  • 3 Heavy Cotton Briefin Black

    4 out 5 droplets
  • $8 saved!
    TFA Black-Super-Hi-Waist-Set collectionFront-Flat
    Sizes for quick add

    Saver Sets

    Saver Set Price

    $51

    $43
  • 3 Super Cotton Hi-Waistin Black

    5 out 5 droplets
  • $8 saved!
    TFA Multi-Super-Brief-Set collectionFront-Flat
    Sizes for quick add

    Saver Sets

    Saver Set Price

    $51

    $43
  • 2 Super Cotton Briefin Black

    5 out 5 droplets
  • 1 Super Cotton Briefin Wildcat

    5 out 5 droplets
  • $8 saved!
    Thinx - TFA Multi Super Bikini Set - Flat
    Sizes for quick add

    Saver Sets

    Saver Set Price

    $51

    $43
  • 1 Super Cotton Bikiniin Heather Grey

    5 out 5 droplets
  • 1 Super Cotton Bikiniin Rhubarb

    5 out 5 droplets
  • 1 Super Cotton Bikiniin Wildcat

    5 out 5 droplets
  • $8 saved!
    Thinx - TFA Multi Hi-Waist Set Flat
    Sizes for quick add

    Saver Sets

    Saver Set Price

    $51

    $43
  • 1 Super Cotton Hi-Waistin Black

    5 out 5 droplets
  • 1 Super Cotton Hi-Waistin Heather Grey

    5 out 5 droplets
  • 1 Cotton Hi-Waistin Rhubarb

    3 out 5 droplets
  • Cycle Set

    we don't just make Thinx period underwear

    Check out our absorbent underwear for bladder leaks and reusable period underwear for teens!

    Thinx - PDP - create a set

    buy more, save more

    Mix and match any Thinx undies — and you can save up to 20%.

    FAQs