Size Charts
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SIZE CHARTS
Catalyst Sports Bra Sizing
This is the most supportive high impact, wireless sports bra you’ll ever put on. Designed to drastically reduce breast movement, the Catalyst outperformed over 800 bras it was tested against. And taking it off after a long workout is a snap!
Supports up to a G-cup.
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
Catalyst Sports Bra Sizing
This is the most supportive high impact, wireless sports bra you’ll ever put on. Designed to drastically reduce breast movement, the Catalyst outperformed over 800 bras it was tested against. And taking it off after a long workout is a snap!
Supports up to a G-cup.
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+
Catalyst Sports Bra Sizing
This is the most supportive high impact, wireless sports bra you’ll ever put on. Designed to drastically reduce breast movement, the Catalyst outperformed over 800 bras it was tested against. And taking it off after a long workout is a snap!
Supports up to a G-cup.
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+
Catalyst Sports Bra Sizing
Band (in) Band (cm)
S 32" 81cm
M 34" 86cm
L 36" 91.5cm
XL 38" 96.5cm
XXL 40" 101.6cm
Catalyst Sports Bra Sizing
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"

Catalyst Sports Bra Sizing
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

Catalyst Sports Bra Sizing
This is the most supportive high impact, wireless sports bra you’ll ever put on. Designed to drastically reduce breast movement, the Catalyst outperformed over 800 bras it was tested against. And taking it off after a long workout is a snap!
Supports up to a G-cup.
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
Catalyst Sports Bra Sizing
This is the most supportive high impact, wireless sports bra you’ll ever put on. Designed to drastically reduce breast movement, the Catalyst outperformed over 800 bras it was tested against. And taking it off after a long workout is a snap!
Supports up to a G-cup.
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
Catalyst Sports Bra Sizing
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
Catalyst Sports Bra Sizing
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
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
Catalyst Sports Bra Sizing
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.
Catalyst Sports Bra Sizing
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.

Catalyst Sports Bra Sizing
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"
Catalyst Sports Bra Sizing
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"
Catalyst Sports Bra Sizing
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"
Catalyst Sports Bra Sizing
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
Catalyst Sports Bra Sizing
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
Catalyst Sports 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
Catalyst Sports Bra Sizing
Bust Waist Hip
S/M/L 34"-40" 27"-33" 37"-43"
XL/XXL /XXXL 43"-51" 38"-48" 46"-53"
Catalyst Sports Bra Sizing
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"
Catalyst Sports Bra Sizing
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.
Catalyst Sports Bra Sizing
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
Catalyst Sports Bra Sizing
Band (in) Hip (in)
S 32" 37"
M 34" 40"
L 36" 43"
XL 38" 46"
XXL 40" 50"
XXXL 42" 53"
Catalyst Sports Bra Sizing
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