Size Charts
Bras
Underwear
Lounge
Postpartum
Back
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 | 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 |
F | 6+ | 6+ | 7+ | 7+ | 8+ | 8+ |
G | 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 | 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 |
F | 6+ | 6+ | 7+ | 7+ | 8+ | 8+ |
G | 6+ | 6+ | 7+ | 7+ | 8+ | 8+ |
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 |
Shopping for an F or G cup? Try the Catalyst Sports Bra or the Padded V-Neck Bra
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
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
Need Help? Book a Virtual Fitting
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 | 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 |
F | 6+ | 6+ | 7+ | 7+ | 8+ | 8+ |
G | 6+ | 6+ | 7+ | 7+ | 8+ | 8+ |
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
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
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 | 33"-34" | 25"-26" |
S | 35"-36" | 27"-28" |
M | 37"-38" | 29"-31" |
L | 39"-40" | 32"-33" |
XL | 41"-42" | 34"-35" |
XXL | 43"-44" | 36"-37" |
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
Bust | Waist | Hip | |
---|---|---|---|
XS | 24" | 34" | |
S | 34" | 27" | 37" |
M | 37" | 30" | 40" |
L | 40" | 33" | 43" |
XL | 43" | 38" | 46" |
XXL | 47" | 43" | 50" |
XXXL | 51" | 48" | 53" |
Infinity Bra Sizing
Need Help? Book a Virtual Fitting
Bust | Waist | Hip | |
---|---|---|---|
XS | 24" | 34" | |
S | 34" | 27" | 37" |
M | 37" | 30" | 40" |
L | 40" | 33" | 43" |
XL | 43" | 38" | 46" |
XXL | 47" | 43" | 50" |
XXXL | 51" | 48" | 53" |
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 |
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 |
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
US | UK | EU | |
---|---|---|---|
S | 6-8 | 3.5-5.5 | 36-38.5 |
M | 8.5-10 | 6-7.5 | 39-42 |
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 | 24" | 34" | |
S | 34" | 27" | 37" |
M | 37" | 30" | 40" |
L | 40" | 33" | 43" |
XL | 43" | 38" | 46" |
XXL | 47" | 43" | 50" |
XXXL | 51" | 48" | 53" |
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" | 56" |
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 |
Shop Now
30 Days to Wash and Wear
Bras discounted 20% or more are eligible for exchange only
All 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.