New colors. New confidence.

A fresh new lineup for that fresh-period feeling.

New colors.
New confidence.

A fresh new lineup for that fresh-period feeling.

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BLEED CONFIDENCE

Just Landed

Super Leakproof® Sleepover Short

Heavy Absorbency

$39 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

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Leakproof UltraThin No-Show Underwear Bikini

Medium Absorbency

$22 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

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Super Leakproof® No-Show Underwear Bikini

Heavy Absorbency

$25 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

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Great for Light Flows

Everyday Leakproof Kit

Light Absorbency

$99.75 ^USD $133 Save $33

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Leakproof UltraThin No-Show Underwear Bikini 3-Pack

Medium Absorbency

$59 ^USD $66 Save 10%

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Leakproof UltraThin No-Show Underwear Bikini

Medium Absorbency

$22 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

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Super Leakproof® No-Show Underwear Boyshort

Heavy Absorbency

$25 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

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Leakproof Luxe Modal Sleep Boxer

Medium Absorbency

$29 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

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SELLING FAST

Light Leakproof No-Show Underwear Bikini 3-Pack

Light Absorbency

$50 ^USD $57 Save 10%

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fREE SHIPPING OVER $70

Teen Period Underwear

Our super protective period-proof underwear will give you complete peace-of-mind against period leaks - no matter what you're up to!

Teen Period Underwear

Our super protective period-proof underwear will give you complete peace-of-mind against period leaks - no matter what you're up to!

Bleed Confidence

Bundle & Save 25%

Super Leakproof® Sleepover Short

Heavy Absorbency

$39 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

View

Leakproof Luxe Modal Sleep Boxer

Medium Absorbency

$29 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

View

Light Leakproof No-Show Underwear Boyshort

Light Absorbency

$19 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

View

Light Leakproof No-Show Underwear Bikini

Lightest Absorbency

$19 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

View

Leakproof UltraThin No-Show Underwear Bikini

Medium Absorbency

$22 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

View

Leakproof UltraThin No-Show Underwear Boyshort

Medium Absorbency

$22 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

View

Super Leakproof® No-Show Underwear Bikini

Heavy Absorbency

$25 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

View

Super Leakproof® No-Show Underwear Boyshort

Heavy Absorbency

$25 ^USD Buy 4+ Save 15%, Buy 7+ Save 25%

View

Light Flows

🩸

Absorbs light flows, sweat, and discharge.

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Medium Flows

🩸🩸🩸

For medium period days and sweat.

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Heavy Flows

🩸🩸🩸🩸

Designed for heavy period days & overnight protection.

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For the planet

for real life

for this generation

For the planet

for real life

for this generation

For the planet

for real life

for this generation

For the planet

for real life

for this generation

For the planet

for real life

for this generation

For the planet

for real life

for this generation

For the planet

for real life

for this generation

For the planet

for real life

for this generation

For the planet

for real life

for this generation

For the planet

for real life

for this generation

For the planet

for real life

Free Period Guide

Everything your teen ever wanted to know about puberty, menstruation, and more.

Download the Guide

@bellalogiudice

@namika_courtois

@caitlynmaile

@selenagallowayy

@riannakish

@namika_courtois

@myluuuh

“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”

KT Size	Hips	Kids Pant Size	Adult Pant Size
XXS	25” - 27”	7	---
XS	28” - 30”	8 - 10	---
S	31” - 34”	12 - 14	00 - 2
M	35” - 38”	16 - 20	4 - 8
L	39” - 42”	---	10 - 14
XL	43” - 46”	---	16 - 18
XXL	47” - 50”	---	20 - 22

KT Size

Hips

Kids Pant Size

Adult Pant Size

XXS

25” - 27”

---

28” - 30”

8 - 10

---

31” - 34”

12 - 14

00 - 2

35” - 38”

16 - 20

4 - 8

39” - 42”

---

10 - 14

43” - 46”

---

16 - 18

XXL

47” - 50”

---

20 - 22

KT Size	Band	Hips	Kids Pant Size	Adult Pant Size
XXS	23 ³/₄" - 25 ¹/₄"	25” - 27”	7	---
XS	25 ¹/₄" - 26 ³/₄"	28” - 30”	8 - 10	---
S	26 ³/₄" - 28 ¹/₄"	31" - 34"	12 - 14	00 - 2
M	28 ¹/₄" - 29 ³/₄"	35” - 38"	16 - 20	4 - 8
L	29 ³/₄" - 31 ¹/₂"	39” - 42”	---	10 - 14
XL	31 ¹/₂" - 33 ¹/₂"	43” - 46”	---	16 - 18
XXL	33 ¹/₂" - 35 ¹/₂"	47” - 50”	---	20 - 22

KT Size

Band

Hips

Kids Pant Size

Adult Pant Size

XXS

23 ³/₄" - 25 ¹/₄"

25” - 27”

---

25 ¹/₄" - 26 ³/₄"

28” - 30”

8 - 10

---

26 ³/₄" - 28 ¹/₄"

31" - 34"

12 - 14

00 - 2

28 ¹/₄" - 29 ³/₄"

35” - 38"

16 - 20

4 - 8

29 ³/₄" - 31 ¹/₂"

39” - 42”

---

10 - 14

31 ¹/₂" - 33 ¹/₂"

43” - 46”

---

16 - 18

XXL

33 ¹/₂" - 35 ¹/₂"

47” - 50”

---

20 - 22

KT Size	Hips	Kids Pant Size	Adult Pant Size
XXS	25” - 27”	7	---
XS	28” - 30”	8 - 10	---
S	31” - 34”	12 - 14	00 - 2
M	35” - 38”	16 - 20	4 - 8
L	39” - 42”	---	10 - 14
XL	43” - 46”	---	16 - 18
XXL	47” - 50”	---	20 - 22

KT Size

Hips

Kids Pant Size

Adult Pant Size

XXS

25” - 27”

---

28” - 30”

8 - 10

---

31” - 34”

12 - 14

00 - 2

35” - 38”

16 - 20

4 - 8

39” - 42”

---

10 - 14

43” - 46”

---

16 - 18

XXL

47” - 50”

---

20 - 22

KT Size	Band	Hips
XS	28"	25” - 27”
S	30"	28” - 30”
M	32"	31” - 35”
L	34"	36” - 40”
XL	36"	41” - 44”
XXL	38"	45” - 48”

KT Size

Band

Hips

28"

25” - 27”

30"

28” - 30”

32"

31” - 35”

34"

36” - 40”

36"

41” - 44”

XXL

38"

45” - 48”

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"

Size

Bust

Hips

27”

25" - 27"

30”

28" - 30"

34"

31" - 35"

37”

36" - 40"

40”

41" - 44"

XXL

40”

45" - 48"

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

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

KT Size	Hips	Kids Pant Size	Adult Pant Size
XXS	25” - 27”	7	---
XS	28” - 30”	8 - 10	---
S	31” - 34”	12 - 14	00 - 2
M	35” - 38”	16 - 20	4 - 8
L	39” - 42”	---	10 - 14
XL	43” - 46”	---	16 - 18
XXL	47” - 50”	---	20 - 22

KT Size

Hips

Kids Pant Size

Adult Pant Size

XXS

25” - 27”

---

28” - 30”

8 - 10

---

31” - 34”

12 - 14

00 - 2

35” - 38”

16 - 20

4 - 8

39” - 42”

---

10 - 14

43” - 46”

---

16 - 18

XXL

47” - 50”

---

20 - 22