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Wireless, yet so supportive

So seamlessly comfortable. Wireless support that truly does it all.

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Wireless, yet so supportive

So seamlessly comfortable. Wireless support that truly does it all.

SHOP BRAS

We're Redefining Intimates

It's time that all of us lived unapologetically free. Free from judgement. Free from self-doubt. Free to be yourself. That's why all our products, from the most comfortable wireless bras to super absorbent underwear, are designed to make you feel more comfortable in your own skin.

Every. Body. Leaks

Stay fresh in the comfiest and most absorbent (up to 8 tsp!) Leakproof Undies.

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Every. Body. Leaks

Stay fresh in the comfiest and most absorbent (up to 8 tsp!) Leakproof Undies.

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Best of Knix

Knix Must-Haves

You deserve the best Wireless Bras, Undies & more that feel and look amazing.

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Undie Savings

Buy 3-4 Pairs, Save 10%, 5-6 Pairs, Save 15%, 7+ Pairs, Save 20%! Best-in-class Undies for periods, incontinence, and everyday.

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Leakproof Headquarters

Protect yourself from all of life's leaks in the comfiest Leakproof Underwear. Find out why people everywhere are making the switch!

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Best Sellers

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15 Colors

Light Leakproof No-Show High Rise

$26.00^USD

Mix & Match: Buy 3+ Save 10%, 6+ Save 20%

“The bra gods have answered”

"The bra reinvented"

	Band (in)	Fits Cups	Waist (in)
S	32"	A-DD	27"
S+	32"	E-G	27"
M	34"	A-DD	30"
M+	34"	E-G	30"
L	36"	A-DD	33"
L+	36"	E-G	33"
XL	38"	A-DD	38"
XL+	38"	E-G	38"
XXL	40"	A-DD	43"
XXL+	40"	E-G	43"
XXXL	42"	A-DD	48"
XXXL+	42"	E-G	48"

	Waist (in)	Hip (in)	Pants
S	27"	34"-37"	4-6
S+	27"	34"-37"	4-6
M	30"	38"-41"	8-10
M+	30"	38"-41"	8-10
L	33"	42"-44"	12-14
L+	33"	42"-44"	12-14
XL	38"	45"-47"	16-18
XL+	38"	45"-47"	16-18
XXL	43"	48"-50"	18-20
XXL+	43"	48"-50"	18-20
XXXL	48"	51"-53"	22-24
XXXL+	48"	51"-53"	22-24

	Bust (in)	Waist (in)
XS	32"	24"
S	34"	27"
M	37"	30"
L	40"	33"
XL	43"	38"
XXL	47"	43"
XXXL	51"	48"
XXXXL	55"	52"

	Waist (in)	Hip (in)	Pants
XS	24"	33"	0-2
S	27"	37"	4-6
M	30"	40"	8-10
L	33"	43"	12-14
XL	38"	46"	16-18
XXL	43"	50"	18-20
XXXL	48"	53"	22-24
XXXXL	52"	55"	26

	Bust (in)	Waist (in)	Hip (in)
XS	32"	24"	33"
S	34"	27"	37"
M	37"	30"	40"
L	40"	33"	43"
XL	43"	38"	46"
XXL	47"	43"	50"
XXXL	51"	48"	53"
XXXXL	55"	52"	55"

Best of Knix

Best Sellers

Step 1: Measure your Band

Step 2: Measure your Cup

Your Results!

We're still working on your size!

Step 1: Measure your Band

Step 2: Measure your Cup

Your Results!

We're still working on your size!

	Bust (in)	Waist (in)	Hip (in)
XS/S/M	32"-37"	24"-30"	33"-40"
L/XL/XXL	40"-47"	33"-43"	43"-50"
XXXL/XXXXL	51"-55"	48"-52"	53"-55"

	Hip (in)	Pant
XS	30"-33"	00-0
S	34"-37"	2-4
M	38"-41"	6-8
L	42"-44"	10-12
XL	45"-47"	14-16
XXL	48"-50"	18-20
XXXL	51"-53"	22-24
XXXXL	54"-56"	26

	Waist (in)	Hip (in)	Pants
S	27"	33"-37"	2-6
S+	27"	33"-37"	2-6
M	30"	38"-41"	8-10
M+	30"	38"-41"	8-10
L	33"	42"-44"	12-14
L+	33"	42"-44"	12-14
XL	38"	45"-47"	16-18
XL+	38"	45"-47"	16-18
XXL	43"	48"-50"	20-22
XXL+	43"	48"-50"	20-22
XXXL	48"	51"-53"	24-26
XXXL+	48"	51"-53"	24-26

	32	34	36	38	40	42	44	46	48
A	S	S	S	M	M	M	L	L	L
B	S	S	M	M	M	L	L	L	XL
C	S	S	M	M	M	L	L	L	XL
D	S	M	M	M	L	L	L	XL	XL
DD	S	M	M	M	L	L	L	XL	XL
E	M	M	M	L	L	L	XL	XL	XL
F	M	M	M	L	L	L	XL	XL	XL
G	M	M	L	L	L	XL	XL	XL	XL

KT Size	Hip	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

	Age	Height (in)	Weight (lbs)
2T	1 1/2-2Y	33"-36"	28-32 lbs
3T	2-3Y	36"-39"	32-36 lbs
4T	3-4Y	39"-42"	36-40 lbs
5T	4-5Y	42"-45"	40-46 lbs
6T	5-6Y	45"-48"	46-52 lbs

	Hip (in)	Kid's 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

KT SIZE	Band (in)	Hips (in)	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

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

	Hip (in)	Pants
S/M	33-41"	2-10
L/XL	42-47"	12-18
XXL/XXXL	51-53"	24-26

Knix Size	Shoe Size
S/M	6-9
L/XL	10-11.5
OS	6-10

	Cups
M	A-D
XL	DD-G

	32	34	36	38	40	42	44	46	48
A	S	S	S	M	M	M	L	L	L
B	S	S	M	M	M	L	L	L	XL
C	S	S	M	M	M	L	L	L	XL
D	S	M	M	M	L	L	L	XL	XL
DD	S	M	M	M	L	L	L	XL	XL
E	M	M	M	L	L	L	XL	XL	XL
F	M	M	M	L	L	L	XL	XL	XL
G	M	M	L	L	L	XL	XL	XL	XL

	32	34	36	38	40	42	44	46	48
A	S	S	S	M	M	M	L	L	L
B	S	S	M	M	M	L	L	L	XL
C	S	S	M	M	M	L	L	L	XL
D	S	M	M	M	L	L	L	XL	XL
DD	S	M	M	M	L	L	L	XL	XL
E	M	M	M	L	L	L	XL	XL	XL
F	M	M	M	L	L	L	XL	XL	XL
G	M	M	L	L	L	XL	XL	XL	XL