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    pregnancy

    pregnancy
    What to Expect When You're Expecting Twins
    Knix Founder & CEO Joanna Griffiths is celebrating International Women's Day a little differently this year—by giving birth to twin girls. ...
    pregnancy
    Ask Knix: Where Can I Find a Comfy Nursing Bra?
    pregnancy
    Free Birth Affirmation Cards
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    What to Pack in Your Hospital Bag
    See More pregnancy Articles...

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    Need Help? Book a Virtual Fitting
    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"

    *Cup ranges from A-G

    Need Help? Book a Virtual Fitting
    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
    Need Help? Book a Virtual Fitting
    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"
    Need Help? Book a Virtual Fitting
    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
    Need Help? Book a Virtual Fitting
    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"
    Need Help? Book a Virtual Fitting
    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"
    Need Help? Book a Virtual Fitting
    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
    Need Help? Book a Virtual Fitting
    Hip (in) Pants
    S/M 33-41" 2-10
    L/XL 42-47" 12-18
    XXL/XXXL 51-53" 24-26
    Need Help? Book a Virtual Fitting
    Band (in) Fits Cups
    S 32" A-DD
    S+ 32" E-G
    M 34" A-DD
    M+ 34" E-G
    L 36" A-DD
    L+ 36" E-G
    XL 38" A-DD
    XL+ 38" E-G
    XXL 40" A-DD
    XXL+ 40" E-G
    XXXL 42" A-DD
    XXXL+ 42" E-G

    *Cup ranges from A-G

    Need Help? Book a Virtual Fitting
    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

    *If you're larger on the bottom, we recommend you size up

    Need Help? Book a Virtual Fitting
    Band (in) Fits Cups
    S 32" A-DD
    S+ 32" E-G
    M 34" A-DD
    M+ 34" E-G
    L 36" A-DD
    L+ 36" E-G
    XL 38" A-DD
    XL+ 38" E-G
    XXL 40" A-DD
    XXL+ 40" E-G
    XXXL 42" A-DD
    XXXL+ 42" E-G

    *Cup ranges from A-G

    Need Help? Book a Virtual Fitting
    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

    *If you're larger on the bottom, we recommend you size up

    Use these band and hip measurements to determine your correct size
    Every size in our bodysuit will fit from an A cup to a G cup (yep, it's true!). If you're larger on the bottom, we recommend you size up.
    Need Help? Book a Virtual Fitting

    Step 1: Measure your Band

    Wearing an unpadded bra, wrap a measuring tape around the top of your ribcage.

    You’re looking for a snug fit - so we recommend tightening on the exhale and noting the smallest measurement in inches.

    Step 2: Measure your Cup

    To find your Cup measurement, wrap the measuring tape around the fullest part of your chest, making sure the measuring tape is parallel to the floor. Relax your shoulders and measure on the inch.

    If your band measures more than 33, when measuring the cup, pull it a little bit snug before measuring.

    Your Results!

    Still have questions? Book a Virtual Fitting with our amazing customer experience team!

    We're still working on your size!

    Still have questions? Book a Virtual Fitting with our amazing customer experience team!

    Need Help? Book a Virtual Fitting
    Waist (in) Hip (in) Pant Size
    XS 24" 30"-33" 0-2
    S 27" 33"-37" 2-6
    M 30" 38"-41" 8-10
    L 33" 42"-44" 12-14
    XL 38" 45"-47" 16-18
    XXL 43" 48"-50" 20-22
    XXXL 48" 51"-53" 24-26
    XXXXL 52" 54"-56" 26
    Need Help? Book a Virtual Fitting
    30 32 34 36 38 40 42 44
    A XS S M L XL XXL XXXL XXXXL
    B XS S M L XL XXL XXXL XXXXL
    C XS S M L XL XXL XXXL XXXXL
    D XS S M L XL XXL XXXL XXXXL
    DD XS S M L XL XXL XXXL XXXXL
    E XS+ S+ M+ L+ XL+ XXL+ XXXL+ XXXXL+
    F XS+ S+ M+ L+ XL+ XXL+ XXXL+ XXXXL+
    G XS+ S+ M+ L+ XL+ XXL+ XXXL+ XXXXL+
    Need Help? Book a Virtual Fitting
    Hip (in) Pant Size
    XS 30"-33" 0-2
    XS+ 30"-33" 0-2
    S 33"-37" 2-6
    S+ 33"-37" 2-6
    M 38"-41" 8-10
    M+ 38"-41" 8-10
    L 42"-44" 12-14
    L+ 42"-44" 12-14
    XL 45"-47" 16-18
    XL+ 45"-47" 16-18
    XXL 48"-50" 20-22
    XXL+ 48"-50" 20-22
    XXXL 51"-53" 24-26
    XXXL+ 51"-53" 24-26
    XXXXL 54"-56" 26
    XXXXL+ 54"-56" 26
    Need Help? Book a Virtual Fitting
    30 32 34 36 38 40 42 44
    A XS S M L XL XXL XXXL XXXXL
    B XS S M L XL XXL XXXL XXXXL
    C XS S M L XL XXL XXXL XXXXL
    D XS S M L XL XXL XXXL XXXXL
    DD XS S M L XL XXL XXXL XXXXL
    E XS S M L XL XXL XXXL XXXXL
    F XS+ S+ M+ L+ XL+ XXL+ XXXL+ XXXXL+
    G XS+ S+ M+ L+ XL+ XXL+ XXXL+ XXXXL+
    Need Help? Book a Virtual Fitting
    Hip (in) Pant Size
    XS 30"-33" 0-2
    XS+ 30"-33" 0-2
    S 33"-37" 2-6
    S+ 33"-37" 2-6
    M 38"-41" 8-10
    M+ 38"-41" 8-10
    L 42"-44" 12-14
    L+ 42"-44" 12-14
    XL 45"-47" 16-18
    XL+ 45"-47" 16-18
    XXL 48"-50" 20-22
    XXL+ 48"-50" 20-22
    XXXL 51"-53" 24-26
    XXXL+ 51"-53" 24-26
    XXXXL 54"-56" 26
    XXXXL+ 54"-56" 26
    Need Help? Book a Virtual Fitting
    30 32 34 36 38 40 42 44
    A XS S M L XL XXL XXXL XXXXL
    B XS S M L XL XXL XXXL XXXXL
    C XS S M L XL XXL XXXL XXXXL
    D XS S M L XL XXL XXXL XXXXL
    DD XS S M L XL XXL XXXL XXXXL
    E XS S M L XL XXL XXXL XXXXL
    Need Help? Book a Virtual Fitting
    Hip (in) Pant Size
    XS 30"-33" 0-2
    XS+ 30"-33" 0-2
    S 33"-37" 2-6
    S+ 33"-37" 2-6
    M 38"-41" 8-10
    M+ 38"-41" 8-10
    L 42"-44" 12-14
    L+ 42"-44" 12-14
    XL 45"-47" 16-18
    XL+ 45"-47" 16-18
    XXL 48"-50" 20-22
    XXL+ 48"-50" 20-22
    XXXL 51"-53" 24-26
    XXXL+ 51"-53" 24-26
    XXXXL 54"-56" 26
    XXXXL+ 54"-56" 26
    Need Help? Book a Virtual Fitting
    28 30 32 34 36 38 40 42 44
    A XS S M L XL XXL XXXL XXXXL
    B XS S M L XL XXL XXXL XXXXL
    C XS S M L XL XXL XXXL XXXXL
    D XS S M L XL XXL XXXL XXXXL
    DD XS S M L XL XXL XXXL XXXXL
    E XS S M L XL XXL XXXL XXXXL
    F XS+ S+ M+ L+ XL+ XXL+ XXXL+ XXXXL+
    G XS+ S+ M+ L+ XL+ XXL+ XXXL+ XXXXL+
    Need Help? Book a Virtual Fitting
    Hip (in) Pant Size
    XS 30"-33" 0-2
    XS+ 30"-33" 0-2
    S 33"-37" 2-6
    S+ 33"-37" 2-6
    M 38"-41" 8-10
    M+ 38"-41" 8-10
    L 42"-44" 12-14
    L+ 42"-44" 12-14
    XL 45"-47" 16-18
    XL+ 45"-47" 16-18
    XXL 48"-50" 20-22
    XXL+ 48"-50" 20-22
    XXXL 51"-53" 24-26
    XXXL+ 51"-53" 24-26
    XXXXL 54"-56" 26
    XXXXL+ 54"-56" 26
    Hip (in)
    XS/S 30"-37"
    M/L 38"-44"
    XL/XXL 45"-50"
    XXXL/XXXXL 51"-56"
    Socks Sizing
    Knix Size Shoe Size
    S/M 6-9
    L/XL 10-11.5
    OS 6-10
    Need Help? Book a Virtual Fitting

    Step 1: Measure your Band

    Wearing an unpadded bra, wrap a measuring tape around the top of your ribcage.

    You’re looking for a snug fit - so we recommend tightening on the exhale and noting the smallest measurement in inches.

    Step 2: Measure your Cup

    To find your Cup measurement, wrap the measuring tape around the fullest part of your chest, making sure the measuring tape is parallel to the floor. Relax your shoulders and measure on the inch.

    If your band measures more than 33, when measuring the cup, pull it a little bit snug before measuring.

    Your Results!

    Still have questions? Book a Virtual Fitting with our amazing customer experience team!

    We're still working on your size!

    Still have questions? Book a Virtual Fitting with our amazing customer experience team!

    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
    Leakproof Pads Sizing
    Cups
    M A-D
    XL DD-G
    Teen Underwear Size Chart
    KT Period Underwear is designed for smaller and growing bodies to fit teens and tweens
    Need Help? Book a Virtual Fitting
    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
    Find the Perfect Fit

    1. Hip

    Stand with your feet together and measure around the widest part of your hips and bottom. Keep the measuring tape parallel to the floor.
    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
    Need Help? Book a Virtual Fitting
    Band (in)
    XS 28"
    S 30"
    M 32"
    L 34"
    XL 36"
    XXL 38"
    Need Help? Book a Virtual Fitting
    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 swimsuits are designed for smaller and growing bodies to fit teens and tweens.
    Need Help? Book a Virtual Fitting
    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
    Find the Perfect Fit

    1. Band

    First, measure around the torso right below the breast

    2. Hips

    Stand with your feet together and measure around the widest part of your hips and bottom. Keep the measuring tape parallel to the floor.

    Need Help? Book a Virtual Fitting
    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"
    Need Help? Book a Virtual Fitting
    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"
    Find the Perfect Fit

    1. Band

    First, measure around the torso right below the breast

    2. Hips

    Stand with your feet together and measure around the widest part of your hips and bottom. Keep the measuring tape parallel to the floor.

    Need Help? Book a Virtual Fitting
    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
    OSZAR »