Size Charts
WingWoman Contour Bra LuxeLift Pullover Bra Good to Go Seamless Bra Evolution Bra Catalyst Sports Bra Catalyst Front Zip Sports Bra Longevity Bra Mesh Deep-V Bra Micro Modal Rib Bralette Padded V-Neck Bra - Wide Strap Padded V-Neck - Thin Strap Leakproof Nursing Bra Good to Go High Neck Seamless Bra Knixy Lace Racerback Bralette Knixy Lace Deep-V Bralette BlissFit™ Leakproof Nursing Bra
Underwear Thigh Saver Dream Short
Catalyst Sports Bra Catalyst Front Zip Sports Bra Good to Go High Neck Seamless Bra Active Bottom Active Tank
Bodysuit Tank
Romper Lounge Tops Lounge Bottom Dresses
Sleep Top Sleep Bottom Nightgown Dream Short Robe
Swim Top Swim Bottom One Piece
Maternity Top Maternity Bottom SuperStretch Underwear Underwear Leakproof Pads
Shaper Bodysuit High Rise Shaper Brief High Rise Shaper Short
WingWoman Contour Bra Sizing
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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

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

WingWoman Contour Bra Sizing
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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

WingWoman Contour Bra Sizing
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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

WingWoman Contour Bra Sizing
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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.
WingWoman Contour Bra Sizing
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Band (in) Fits Cups
XS 30" A-DD
XS+ 30" E-G
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
XXXXL 44" A-DD
XXXXL+ 44" E-G
WingWoman Contour Bra Sizing
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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
WingWoman Contour Bra Sizing
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Band (in) Fits Cups
XS 30" A-DD
XS+ 30" E-G
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
XXXXL 44" A-DD
XXXXL+ 44" E-G
WingWoman Contour Bra Sizing
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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
Socks Sizing
Knix Size Shoe Size
S/M 6-9
L/XL 10-11.5
OS 6-10
WingWoman Contour Bra Sizing
The wireless WingWoman Bra features a plunging neckline and molded foam cups give you the most shape and definition of all our bras – without compromising on comfort. Plus, extra side coverage eliminates sideboob and overspill.
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28 30 32 34 36 38 40 42
A 1 2 2
B 1 2 3 3
C 2 4 3 5 5
D 4 4 5 5 8 8
DD 0 0 6 6 7 7 8 8
E 0 0 6 6+ 7 7+ 8 8+
F 0+ 0+ 6+ 6+ 7+ 7+ 8+ 8+
G 0+ 0+ 6++ 6++ 7++ 7++ 8++ 8++
H 6++ 6++ 7++ 7++ 8++ 8++
WingWoman Contour Bra Sizing
The wireless WingWoman Bra features a plunging neckline and molded foam cups give you the most shape and definition of all our bras – without compromising on comfort. Plus, extra side coverage eliminates sideboob and overspill.
Need Help? Book a Virtual Fitting
32 34 36 38 40 42
A 1 1 2
B 1 2 3 3
C 2 4 3 5 5
D 4 4 5 5 8 8
DD 6 6 7 7 8 8
E 6 6 7 7 8 8
WingWoman Contour Bra Sizing
The wireless WingWoman Bra features a plunging neckline and molded foam cups give you the most shape and definition of all our bras – without compromising on comfort. Plus, extra side coverage eliminates sideboob and overspill.
Need Help? Book a Virtual Fitting
28 30 32 34 36 38 40 42
A 1 2 2
B 1 2 3 3
C 2 4 3 5 5
D 4 4 5 5 8 8
DD 0 0 6 6 7 7 8 8
E 0 0 6 6+ 7 7+ 8 8+
F 0+ 0+ 6+ 6+ 7+ 7+ 8+ 8+
G 0+ 0+ 6++ 6++ 7++ 7++ 8++ 8++
H 6++ 7++ 7++ 8++ 8++ 8++
WingWoman Contour Bra Sizing
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Band (in) Band (cm)
S 32" 81cm
M 34" 86cm
L 36" 91.5cm
XL 38" 96.5cm
XXL 40" 101.6cm
WingWoman Contour Bra Sizing
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Band (in) Fits Cups
28-30 A/B (XS) 28"-30" A/B
30-32 A/B (S) 30"-32" A/B
30-32 C/D (S+) 30"-32" C/D
32-34 A/B (M) 32"-34" A/B
34-36 A/B (L) 34"-36" A/B
36-38 A/B (XL) 36"-38" A/B

* To get your band size, measure your ribcage, round up to the nearest even number and add 2"

WingWoman Contour Bra Sizing
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Band Fits Cups
XXS 28" A-DD
XXS+ 28" E-G
XS 30" A-DD
XS+ 30" E-G
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
XXXXL 44" A-DD
XXXXL+ 44" E-G

*Cup ranges from A-G

WingWoman Contour Bra Sizing
The wireless WingWoman Bra features a plunging neckline and molded foam cups give you the most shape and definition of all our bras – without compromising on comfort. Plus, extra side coverage eliminates sideboob and overspill.
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++
H XS++ S++ M++ L++ XL++ XXL++ XXXL++ XXXXL++
WingWoman Contour Bra Sizing
The wireless WingWoman Bra features a plunging neckline and molded foam cups give you the most shape and definition of all our bras – without compromising on comfort. Plus, extra side coverage eliminates sideboob and overspill.
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
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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.
WingWoman Contour Bra Sizing
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
WingWoman Contour Bra Sizing
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Band (in)
XS 28"
S 30"
M 32"
L 34"
XL 36"
XXL 38"
WingWoman Contour Bra Sizing
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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
WingWoman Contour Bra Sizing
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Band (in) Hip (in) Kid's Pant Size (Ages 7-13) Teen Pant Size (Ages 14+)
XS 28" 25"-27" 7 ---
S 30" 28"-30" 8-10 ---
M 32" 31"-35" 12-14 00-2
L 34" 36"-40" 16-20 4-10
XL 36" 41"-44" --- 12-16
XXL 38" 45"-48" --- 18-20
WingWoman Contour Bra Sizing
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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"
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30 Days to Wash and Wear
Knix Bras & Tanks are eligible for return or exchange* within 30 days of delivery. We want to make sure you can give your new top time to mold to your shape and get comfortable. Do what you want to do in it, and wash it as much as you like. If you find the fit still isn’t right, message us to get a personal fit consultation before returning for the right size. *For sale items with a 20% or more discount, you may exchange for another item or store credit. All items purchased as part of the Knix Warehouse sale are final sale, meaning that no returns, exchanges or refunds can be accommodated.