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45 products
Best sellers illustration

Best Sellers

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

Thinx Modal-Cotton-Lace-Hi-Waist Spicy Front
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Modal Cotton

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TFA Cotton-Brief Black Front
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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
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Modal Cotton

Modal Cotton Boyshort

Original Price

$38

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TFA Cotton-Hi-Waist Rhubarb Front
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Thinx for All

Cotton Hi-Waist

Original Price

$17

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

Classic

Hi-Waist

Original Price

$35

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

Classic

Hiphugger

Original Price

$35

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Thinx - Sport - Black - Front
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Classic

Sport

Original Price

$35

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Thinx - Boyshort - Black - Front
Sizes for quick add

Classic

Boyshort

Original Price

$38

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30% off

30% off

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

Classic

French Cut

Original Price

$35

Sale Price

$24.50

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30% off

30% off

Thinx - Cheeky - Beige - Front
Sizes for quick add

Classic

Cheeky

Original Price

$30

Sale Price

$21

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30% off

30% off

Thinx - Thong - Beige - Front
Sizes for quick add

Classic

Thong

Original Price

$25

Sale Price

$17.50

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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-Brief Black Front
Sizes for quick add

Thinx for All

Cotton Brief

Original Price

$17

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

Thinx for All

Cotton Hi-Waist

Original Price

$17

Select a color
TFA Cotton-Bikini Wildcat Front
Sizes for quick add

Thinx for All

Cotton Bikini

Original Price

$17

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TFA Cotton-Boyshort Heather-Grey Front
Sizes for quick add

Thinx for All

Cotton Boyshort

Original Price

$19

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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.

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

Modal Cotton

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

Modal Cotton

Modal Cotton Lace Brief

Original Price

$38

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

Modal Cotton

Modal Cotton Boyshort

Original Price

$38

Select a color

50% off

50% off

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

Modal Cotton

Modal Cotton Brief

Original Price

$35

Sale Price

$17.50

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30% off

30% off

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

Modal Cotton

Modal Cotton Bikini

Original Price

$35

Sale Price

$24.50

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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.

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

Thinx air

air Bikini

Original Price

$35

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

Thinx air

air Hiphugger

Original Price

$35

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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

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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.

$4 saved!
TFA All-Cycle-Long-Set collectionFront-Flat
Sizes for quick add

Saver Sets

Saver Set Price

$89

$85
  • 2 Super Cotton Hi-Waistin Black

    dropletdropletdropletdropletdroplet5 out 5 droplets
  • 1 Modal Cotton Boyshortin Black

    dropletdropletdropletdropletdroplet5 out 5 droplets
  • 1 Moderate Cotton Hi-Waistin Black

    dropletdropletdropletdropletsdroplets3 out 5 droplets
  • $4 saved!
    TFA Core-Cotton-Set collectionFront-Flat
    Sizes for quick add

    Saver Sets

    Saver Set Price

    $89

    $85
  • 2 Super Cotton Briefin Black

    dropletdropletdropletdropletdroplet5 out 5 droplets
  • 1 Modal Cotton Boyshortin Black

    dropletdropletdropletdropletdroplet5 out 5 droplets
  • 1 Moderate Cotton Briefin Black

    dropletdropletdropletdropletsdroplets3 out 5 droplets
  • $4 saved!
    TFA Make-the-Switch-Set collectionFront-Flat
    Sizes for quick add

    Saver Sets

    Saver Set Price

    $84

    $80
  • 2 Super Cotton Briefin Black

    dropletdropletdropletdropletdroplet5 out 5 droplets
  • 1 Sleep Shortsin Black

    dropletdropletdropletdropletdroplet5 out 5 droplets
  • $10 saved!
    Thinx Hiphugger Set Flat
    Sizes for quick add

    Saver Sets

    Saver Set Price

    $105

    $95
  • 2 Super Hiphuggerin Black

    dropletdropletdropletdropletdroplet5 out 5 droplets
  • 1 Heavy Hiphuggerin Black

    dropletdropletdropletdropletdroplets4 out 5 droplets
  • $28 saved!
    Thinx - Postpartum Comfort Set - Flat
    Sizes for quick add

    Saver Sets

    Saver Set Price

    $190

    $162
  • 2 Super Hiphuggerin Black

    dropletdropletdropletdropletdroplet5 out 5 droplets
  • 2 Heavy Hiphuggerin Black

    dropletdropletdropletdropletdroplets4 out 5 droplets
  • 1 Sleep Shortsin Black

    dropletdropletdropletdropletdroplet5 out 5 droplets
  • $13 saved!
    Thinx - The Sleep Set - Flat
    Sizes for quick add

    Saver Sets

    Saver Set Price

    $123

    $110
  • 1 Modal Cotton Boyshortin Black

    dropletdropletdropletdropletdroplet5 out 5 droplets
  • 1 Sleep Shortsin Black

    dropletdropletdropletdropletdroplet5 out 5 droplets
  • 1 Heavy Modal Cotton Briefin Black

    dropletdropletdropletdropletdroplets4 out 5 droplets
  • Thinx - PDP - create a set

    buy more, save more

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

    FAQs