Size Charts
WingWoman Contour Bra LuxeLift Pullover Bra Good to Go Seamless Bra Evolution Bra Catalyst Sports Bra Longevity Bra Padded V-Neck Bra - Wide Strap Padded V-Neck - Thin Strap Infinity Bra Leakproof Nursing Bra Good to Go High Neck Seamless Bra Knixy Lace Racerback Bralette Knixy Lace Deep-V Bralette Padded Evolution Bra BlissFitâ„¢ Leakproof Nursing Bra
Underwear Thigh Saver Super Leakproof Dream Short
Catalyst Sports Bra Catalyst Front Zip Sports Bra Good to Go High Neck Seamless Bra Legging & Short Top & Hoodie
LuxeLift Bodysuit LuxeLift Tank Leakproof Nursing Tank Shaper Bodysuit
Romper Lounge Tops Lounge & Jogger Pant Legging
Sleep Top Sleep Short/Pant Sleep Tank Dress Modal Nightgown The Dream Short Robe
Swim Top Swim Bottom One Piece
Nursing Tank Nursing Bra Maternity Legging SuperStretch Underwear CoreLove Underwear Leakproof Pads
Shaper Bodysuit High Rise Shaper Short High Rise Shaper Brief
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SIZE CHARTS
Infinity Bra Sizing
Introducing our newest do-anything everyday bra - with new sizes for smaller breasts! With flattering wireless support, totally seamless design, and molded cups for a super smooth silhouette under tops and tees. Designed especially for those of us with smaller bands and cups
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
Infinity Bra Sizing
Introducing our newest do-anything everyday bra - with new sizes for smaller breasts! With flattering wireless support, totally seamless design, and molded cups for a super smooth silhouette under tops and tees. Designed especially for those of us with smaller bands and cups
Need Help? Book a Virtual Fitting
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 6 6 7 7 8 8
E 6 6+ 7 7+ 8 8+
F 6+ 6+ 7+ 7+ 8+ 8+
G 6++ 6++ 7++ 7++ 8++ 8++
H 6++ 6++ 7++ 7++ 8++ 8++

*G and H cups are coming soon

Infinity Bra Sizing
Introducing our newest do-anything everyday bra - with new sizes for smaller breasts! With flattering wireless support, totally seamless design, and molded cups for a super smooth silhouette under tops and tees. Designed especially for those of us with smaller bands and cups
Need Help? Book a Virtual Fitting
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 6 6 7 7 8 8
E 6 6+ 7 7+ 8 8+
F 6+ 6+ 7+ 7+ 8+ 8+
G 6++ 6++ 7++ 7++ 8++ 8++
H 6++ 6++ 7++ 7++ 8++ 8++

*G and H cups are coming soon

Infinity Bra Sizing
Need Help? Book a Virtual Fitting
Band (in) Band (cm)
S 32" 81cm
M 34" 86cm
L 36" 91.5cm
XL 38" 96.5cm
XXL 40" 101.6cm
Infinity 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"

Infinity Bra Sizing
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Band (in) 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

Infinity Bra Sizing
Introducing our newest do-anything everyday bra - with new sizes for smaller breasts! With flattering wireless support, totally seamless design, and molded cups for a super smooth silhouette under tops and tees. Designed especially for those of us with smaller bands and cups
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
Infinity Bra Sizing
Introducing our newest do-anything everyday bra - with new sizes for smaller breasts! With flattering wireless support, totally seamless design, and molded cups for a super smooth silhouette under tops and tees. Designed especially for those of us with smaller bands and cups
Need Help? Book a Virtual Fitting
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 6 6 7 7 8 8
E 6 6+ 7 7+ 8 8+
F 6+ 6+ 7+ 7+ 8+ 8+
G 6++ 6++ 7++ 7++ 8++ 8++
H 6++ 6++ 7++ 7++ 8++ 8++

*G and H cups are coming soon

Leakproof Pads Sizing
Cups
M A-D
XL DD-G
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
Hips (in) Hips (cm) Pant
XS 30"-33" 76-84 0-2
S 34"-37" 86-94 4-6
M 38"-41" 96-104 8-10
L 42"-44" 106-112 12-14
XL 45"-47" 114-120 16-18
XXL 48"-50" 122-128 18-20
XXXL 51"-53" 129-135 22-24
XXXXL 54"-56" 137-142 26
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
Hips (in) Hips (cm) Jean Size
XS 25"-27" 63-70 7(does not fit womens sizes)
S 28"-30" 71-77 8/10(does not fit womens sizes)
M 31"-35" 78-88 24/25
L 36"-40" 91-101 26/27/28
XL 41"-44" 104-111 29/30
XXL 45"-48" 114-121 31/32
SuperStretch
Need Help? Book a Virtual Fitting
Hips (in) Hips (cm) Pant
S/M 33"-41" 84-104 2-10
L/XL 42"-47" 106-120 12-18
XXL/ XXXL 51"-53" 129-135 24-26
Infinity 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

*Bodysuits fit up to a G cup.

Hips (in) Pant
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

*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.
Infinity Bra Sizing
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

*Bodysuits fit up to a G cup.

Infinity Bra Sizing
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"
Infinity Bra Sizing
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Bust Waist Hip
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"
Infinity Bra Sizing
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"
Infinity Bra Sizing
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
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
Hips (in) Hips (cm) Pant
S 33"-37" 84-94 2-6
M 38"-41" 96-104 8-10
L 42"-44" 106-112 12-14
XL 45"-47" 114-120 16-18
XXL 48"-50" 122-128 20-22
XXXL 51"-53" 129-135 22-24
Infinity 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
Socks Sizing
Knix Size Shoe Size
S/M 6-9
L/XL 10-11.5
OS 6-10
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
Bust Waist Hip
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"
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
Bust Waist Hip
S/M/L 34"-40" 27"-33" 37"-43"
XL/XXL/XXXL 43"-51" 38"-48" 46"-53"
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
Bust Waist Hip
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"
Infinity Bra Sizing
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

*Bodysuits fit up to a G cup.

Hips (in) Pant
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

*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.
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
Hips (in) Hips (cm) Pant
XS 30"-33" 76-84 0-2
S 34"-37" 86-94 4-6
M 38"-41" 96-104 8-10
L 42"-44" 106-112 12-14
XL 45"-47" 114-120 16-18
XXL 48"-50" 122-128 18-20
XXXL 51"-53" 129-135 22-24
XXXXL 54"-56" 137-142 26
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
Band (in) Hip (in)
XS 30" 33"
S 32" 37"
M 34" 40"
L 36" 43"
XL 38" 46"
XXL 40" 50"
XXXL 42" 53"
XXXXL 44" 55"
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
Hips (in) Hips (cm) Pant
XS 30"-33" 76-84 0-2
S 34"-37" 86-94 4-6
M 38"-41" 96-104 8-10
L 42"-44" 106-112 12-14
XL 45"-47" 114-120 16-18
XXL 48"-50" 122-128 18-20
XXXL 51"-53" 129-135 22-24
XXXXL 54"-56" 137-142 26
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
Band (in)
XS 28"
S 30"
M 32"
L 34"
XL 36"
XXL 38"
Infinity Bra Sizing
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Hips (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
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
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
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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.