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30% off sitewide

Plus, Up to 50% Off Last Call Items

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30% off sitewide

Plus, Up to 50% off Last Call Items

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Selling Out Fast

+1

Leakproof Bikini

Medium Absorbency

$12.60 ^USD $18 ^USD

+1

Leakproof Boyshort

Medium Absorbency

$12.60 ^USD $18 ^USD

+1

Super Leakproof Bikini

High Absorbency

$15.40 ^USD $22 ^USD

+2

Original Sleepover Short

High Absorbency

$17.50 ^USD $35 ^USD 50% off

Reusable Pads - Regular (Pack of 3)

Super Absorbency

$22.40 ^USD $32 ^USD

Period Swim Sport One-Piece

Medium Absorbency

$56 ^USD $80 ^USD

Cotton Super Leakproof Boxer Brief

Super Absorbency

$24.50 ^USD $35 ^USD

Super Sleepover Short

Super Absorbency

$24.50 ^USD $35 ^USD

Cotton Modal Super Leakproof Bikini

High Absorbency

$11.55 ^USD $22 ^USD

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30% Off Period Undies

Cotton Modal Super Leakproof Bikini

High Absorbency

$15.40 ^USD $22 ^USD

Cotton Super Leakproof Boxer Brief

Super Absorbency

$24.50 ^USD $35 ^USD

Super Sleepover Short

Super Absorbency

$24.50 ^USD $35 ^USD

+1

Super Leakproof Boyshort

Super Absorbency

$15.40 ^USD $22 ^USD

+1

Leakproof Boyshort

Medium Absorbency

$12.60 ^USD $18 ^USD

+1

Super Leakproof Bikini

High Absorbency

$15.40 ^USD $22 ^USD

+1

Leakproof Bikini

Medium Absorbency

$12.60 ^USD $18 ^USD

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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free shipping on all orders over $70

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30% Off Period Swim

Period Swim Bottom Bikini

Medium Absorbency

$24.50 ^USD $35 ^USD

Swim Top Double Scoop Bikini

$31.50 ^USD $45 ^USD

Period Swim Sport One-Piece

Medium Absorbency

$56 ^USD $80 ^USD

Period Swim Bottom High Rise Cheeky

Medium Absorbency

$24.50 ^USD $35 ^USD

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+2

Original Sleepover Short

High Absorbency

$17.50 ^USD $35 ^USD 50% off

+5
+1

Super Leakproof Bikini

High Absorbency

$11.55 ^USD $22 ^USD

Leakproof Bikini

Medium Absorbency

$9.45 ^USD $18 ^USD

+3

Super Leakproof Boyshort

Super Absorbency

$11.55 ^USD $22 ^USD

Period Swim Peekaboo One-Piece

Medium Absorbency

$42 ^USD $80 ^USD

+2

Leakproof Boyshort

Medium Absorbency

$9.45 ^USD $18 ^USD

We're here to make period confidence a thing. Switch to life-changing, leakproof technology.

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COMFORTABLE

ABSORBENT

REUSABLE

COMFORTABLE

ABSORBENT

REUSABLE

COMFORTABLE

ABSORBENT

REUSABLE

COMFORTABLE

ABSORBENT

REUSABLE

COMFORTABLE

ABSORBENT

REUSABLE

COMFORTABLE

ABSORBENT

REUSABLE

COMFORTABLE

ABSORBENT

REUSABLE

COMFORTABLE

ABSORBENT

REUSABLE

COMFORTABLE

ABSORBENT

REUSABLE

COMFORTABLE

ABSORBENT

REUSABLE

COMFORTABLE

ABSORBENT

Absorbs like 12 tampons
Extended Gusset
Comfortable
Machine washable & Reusable

1
keeps you dry

Moisture-wicking, antimicrobial, odor-crushing fabric
2
absorbs blood

Super thin liner with the power of up to 12 tampons or pads
3
seals in leaks

Liquid-resistant fabric means zero accidents waiting to happen

Life. Periods. Etc!

Content created for and by period havers just like you.

@bellalogiudice

@namika_courtois

@maleahwhitten__

@caitlynmaile

@selenagallowayy

@riannakish

@namika_courtois

@myluuuh

@_charlotte_lai

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for this generation

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for this generation

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for this generation

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for this generation

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for this generation

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for this generation

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for this generation

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for this generation

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for this generation

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for this generation

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for this generation

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for this generation

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for this generation

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for this generation

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for this generation

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“With this new line, teens can lean into that life well lived from their very first period”

"KT by Knix is aimed at both helping teen girls deal with the reality of periods"

“KT by Knix products are simple and easy to use — you can wear them under absolutely anything”

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Teen Underwear Size Chart

KT Period Underwear is designed for smaller and growing bodies to fit teens and tweens

For adult sizes and styles, check out Knix.

KT Size	Hips	Kids Pant Size (Ages 7-13)	Teen Pant Size (Ages 14+)
XS	25” - 27”	7	---
S	28” - 30”	8-10	---
M	31” - 35”	12-14	00-2
L	36” - 40”	16-20	4-10
XL	41” - 44”	---	12-16
XXL	45” - 48”	---	18-20

Find the Perfect Fit

1. Hips

KT Underwear is designed to sit on the hips, so measure around the widest part of the hips and refer to the chart above to find the best fit.

Still Not Sure What Size To Get?

Book a Virtual Fitting with a team member and get 1:1 help over video chat.

Teen One-Piece Swimwear and Leotard Size Chart

KT one-piece swimsuits and leotards are designed for smaller and growing bodies to fit teens and tweens

For adult sizes and styles, check out Knix.

KT Size	Band	Hips	Kids Pant Size (Ages 7-13)	Teen Pant Size (Ages 14+)
XS	28"	25” - 27”	7	---
S	30"	28” - 30”	8-10	---
M	32"	31” - 35”	12-14	00-2
L	34"	36” - 40”	16-20	4-10
XL	36"	41” - 44”	---	12-16
XXL	38"	45” - 48”	---	18-20

Find the Perfect Fit

1. Band

First, measure around the torso right below the breast

2. Hips

KT Underwear is designed to sit on the hips, so measure around the widest part of the hips and refer to the chart above to find the best fit.

Still Not Sure What Size To Get?

Book a Virtual Fitting with a team member and get 1:1 help over video chat.

Teen Sweatshirt Size Chart

Size	Bust	Hips
XS	27”	25" - 27"
S	30”	28" - 30"
M	34"	31" - 35"
L	37”	36" - 40"
XL	40”	41" - 44"
XXL	40”	45" - 48"

Still Not Sure What Size To Get?

Book a Virtual Fitting with a team member and get 1:1 help over video chat.

Freestyle Leakproof Tights Size Chart

Size	Hips	Height	Weight
XS/S	25" - 30"	4'2" - 5'1"	65 - 100 lbs
M/L	31" - 40"	4'9" - 5'6"	105 - 130 lbs
XL/XXL	41" - 48"	4'11" - 5'6"	135 - 170 lbs

Still Not Sure What Size To Get?

Book a Virtual Fitting with a team member and get 1:1 help over video chat.