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69 Reviews

$79 ^USD

Period Kit

6 Colors Available

981 Reviews

$16 ^USD

'Oh-No' Proof Bikini

4 Colors Available

3 for $45 / 5 for $70 / 7 for $91

489 Reviews

$16 ^USD

'Oh-No' Proof Boyshort

3 Colors Available

3 for $45 / 5 for $70 / 7 for $91

76 Reviews

$28 ^USD

The Your Way Bra

2 Colors Available

2 for $55

59 Reviews

$28 ^USD

The Sporty Bra

2 Colors Available

2 for $55

59 Reviews

$28 ^USD

The T-Shirt Bra

2 Colors Available

2 for $55

7 Reviews

$28 ^USD

The Super Bralette

2 Colors Available

2 for $55

266 Reviews

$35 ^USD

Sleepover Short

4 Colors Available

3 for $99

22 Reviews

$28 ^USD

The Everyday Bra

2 for $55

'Oh No' Proof Underwear Sizing Chart

Size	Hips (in)	Jean Size
XS	25” - 27”	7(does not fit womens sizes)
S	28” - 30”	8 / 10(does not fit womens sizes)
M	31” - 35”	24 / 25
L	36” - 40”	26 / 27 / 28
XL	41” - 44”	29 / 30
XXL	45” - 48”	31 / 32

Our period panties are made to fit teens and tweens. For the adult version check out Knix.

THE YOUR WAY BRA SIZING CHART

Size	Band	Cup
XS	28” - 30”	A/B
S	30” - 32"	A/B
S+	30” - 32"	C/D
M	32” - 34”	A/B
M+	32” - 34”	C/D
M++	32” - 34”	DD/E
L	34” - 36”	A/B
L+	34” - 36”	C/D
L++	34” - 36”	DD/E
XL	36” - 38”	A/B

Use your band size to find your Knixteen bra size!

THE SPORTY BRA SIZING CHART

Size	Band
XS	28” - 30”
S	30” - 32"
M	32” - 34”
L	34” - 36”
XL	36” - 38”

Use your band size to find your Knixteen bra size! Don't worry about your cup size, each size fits up to a DD cup!

THE SUPER BRALETTE SIZING CHART

Size	Band
XS	28” - 30”
S	30” - 32"
M	32” - 34”
L	34” - 36”
XL	36” - 38”

Use your band size to find your Knixteen bra size! Don't worry about your cup size, each size fits up to a DD cup!

THE T-SHIRT BRA SIZING CHART

Size	Band	Cup
XS	28” - 30”	A/B
S	30” - 32"	A/B
S+	30” - 32"	C/D
S++	30” - 32"	DD/E
M	32” - 34”	A/B
M+	32” - 34”	C/D
M++	32” - 34”	DD/E
L	34” - 36”	A/B
L+	34” - 36”	C/D
L++	34” - 36”	DD/E
XL	36” - 38”	A/B

Use your band size to find your Knixteen bra size!

THE EVERYDAY BRA SIZING CHART

Size	Band	Cup
XS	28” - 30”	A/B
S	30” - 32"	A/B
S+	30” - 32"	C/D
M	32” - 34”	A/B
M+	32” - 34”	C/D
L	34” - 36”	A/B
L+	34” - 36”	C/D
XL	36” - 38”	A/B

Use your band size to find your Knixteen bra size!