Period Underwear Sizing Chart
Need Help? Book a Virtual Fitting
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 underwear are made to fit teens and tweens. For the adult version check out Knix.
THE YOUR WAY BRA SIZING CHART
Need Help? Book a Virtual Fitting
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 KT by Knix bra size!
THE SPORTY BRA SIZING CHART
Need Help? Book a Virtual Fitting
Size Band
XS 28” - 30”
S 30” - 32"
M 32” - 34”
L 34” - 36”
XL 36” - 38”
Use your band size to find your KT by Knix bra size! Don't worry about your cup size, each size fits up to a DD cup!
THE SUPER BRALETTE SIZING CHART
Need Help? Book a Virtual Fitting
Size Band
XS 28” - 30”
S 30” - 32"
M 32” - 34”
L 34” - 36”
XL 36” - 38”
Use your band size to find your KT by Knix bra size! Don't worry about your cup size, each size fits up to a DD cup!
THE T-SHIRT BRA SIZING CHART
Need Help? Book a Virtual Fitting
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 KT by Knix bra size!
KT Cherry Sweatshirt Size Chart
Need Help? Book a Virtual Fitting
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"

Teen Underwear Sizing Chart

Need Help? Book a Virtual Fitting
Period Underwear
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
Shop Underwear
Our period underwear are made to fit teens and tweens. For the adult version check out Knix.
The T-SHIRT BRA
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
Shop this Bra
Use your band size to find your KT by Knix bra size!
THE SPORTY BRA
Size Band
XS 28” - 30”
S 30” - 32"
M 32” - 34”
L 34” - 36”
XL 36” - 38”
Shop this Bra
Use your band size to find your KT by Knix bra size! Don't worry about your cup size, each size fits up to a DD cup!
THE YOUR WAY BRA
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
Shop this Bra
Use your band size to find your KT by Knix bra size!
THE SUPER BRALETTE
Size Band
XS 28” - 30”
S 30” - 32"
M 32” - 34”
L 34” - 36”
XL 36” - 38”
Shop this Bra
Use your band size to find your KT by Knix bra size! Don't worry about your cup size, each size fits up to a DD cup!