Sizing

If you are unsure of your bra size, please measure your bust and contact us with the measurements.

Keep scrolling to find the most accurate size for your BOOMBA Inserts: Ultra Boost Insets, Demi Boost Inserts, Perfect Boost Inserts, Invisible Lift Inserts, Subtle Lift Inserts, and Micro Lift Inserts; and for BOOMBA Bras: Invisibra, Sticky Bra, Demi Sticky Bra, and Magic Padded Sticky Bra.

Ultra Boost Inserts:

Current
Bra Size
US 10 US 12 US 14 US 16 US 18
A AA A B C D
B A B C D E
C B C D E F
D C D E F Not Recommended
DD/E D E F Not Recommended Not Recommended
DDD/F E F Not Recommended Not Recommended Not Recommended
DDDD/G F Not Recommended Not Recommended Not Recommended Not Recommended
Tip: For the perfect fit, we recommend choosing your true size. Only size down if you are in between sizes.

 

For sizes 34F and up, our Demi Boost Inserts (double push-up) are available in sizes up to 34G and our Invisible Lift Inserts (lightly padded) are available in sizes up to 34I.

 

Demi Boost Inserts:

Current
Bra Size
US 10 US 12 US 14 US 16 US 18
A AA A B C D
B A B C D E
C B C D E F
D C D E F G
DD/E D E F G Not Recommended
DDD/F E F G Not Recommended Not Recommended
DDDD/G E G Not Recommended Not Recommended Not Recommended
H G Not Recommended Not Recommended Not Recommended Not Recommended
Tip: For the perfect fit, we recommend choosing your true size. Only size down if you are in between sizes.

 

For sizes 34G and up, our Invisible Lift Inserts (lightly padded) are available in sizes up to 34I.

For Demi Boost, size Extra-Small will be shipped for sizes AA, size Small will be shipped for A, B, C, size Medium will be shipped for sizes D and E, and size Large will be shipped for sizes F and G.

 

Perfect Boost Inserts:

Current
Bra Size
US 10 US 12 US 14 US 16 US 18
A A A B C D
B A B C D Not Recommended
C B C D Not Recommended Not Recommended
D C D Not Recommended Not Recommended Not Recommended
DD/E D Not Recommended Not Recommended Not Recommended Not Recommended

Tip: For the perfect fit, we recommend choosing your true size. Only size down if you are in between sizes.

For sizes 34F and up, our Demi Boost Inserts (double push-up) are available in sizes up to 34G and our Invisible Lift Inserts (lightly padded) are available in sizes up to 34I.   

 

Invisible Lift Inserts:

Current
Bra Size
US 10 US 12 US 14 US 16 US 18
A AA A B C D
B A B C D E
C B C D E F
D C D E F G
DD/E D E F G H
DDD/F E F G H I
DDDD/G F G H I Not Recommended
H G H I Not Recommended Not Recommended
I H I Not Recommended Not Recommended Not Recommended
J I Not Recommended Not Recommended Not Recommended Not Recommended

Tip: For the perfect fit, we recommend choosing your true size. Only size down if you are in between sizes.

For Invisible Lift, size Extra-Small will be shipped for sizes AA, size Small will be shipped for A, B, C, size Medium will be shipped for sizes D and E, and size Large will be shipped for sizes F and G.

 

Subtle Lift Inserts:

Current
Bra Size
US 8 US 10 US 12 US 14 US 16
A Not Recommended Not Recommended Small Small Small
B Not Recommended Small Small Small Medium
C Small Small Small Medium Medium
D Small Small Medium Medium Large
DD/E Small Medium Medium Large Large
DDD/F Medium Medium Large Large Large
DDDD/G Medium Large Large Large Large
Tip: For the perfect fit, we recommend choosing your true size. Only size down if you are in between sizes.
For Subtle Lift, size Small will be shipped for sizes AA, A, B, C, size Medium will be shipped for sizes D and E, and size Large will be shipped for sizes F and G. The Subtle Lift is not recommended for sizes bigger than 34G.
If your size is larger than 34G, our Invisible Lift Inserts (lightly padded) are available in sizes up to 34I.

 

Micro Lift Inserts:

Current
Bra Size
US 8 US 10 US 12 US 14 US 16
A Small Small Small Small Small
B Small Small Small Small Not Recommended
C Small Small Small Not Recommended Not Recommended
D Small Small Not Recommended Not Recommended Not Recommended
E Small Not Recommended Not Recommended Not Recommended Not Recommended
Tip: For the perfect fit, we recommend choosing your true size. Only size down if you are in between sizes.

Micro Lift Insert is only available in one size and can fit up to 34C. For other sizes, we recommend checking out the other styles. Please note that results may vary depending on breast size and shape.

BOOMBA Invisibra:

Current
Bra Size
US 10 US 12 US 14 US 16 US 18
A A A B C D
B A B C D Not Recommended
C B C D Not Recommended Not Recommended
D C D Not Recommended Not Recommended Not Recommended
DD/E D Not Recommended Not Recommended Not Recommended Not Recommended
DDD/F Not Recommended Not Recommended Not Recommended Not Recommended Not Recommended
Tip: For the perfect fit, we recommend choosing your true size. Only size down if you are in between sizes.
BOOMBA Sticky Bra:
Current
Bra Size
US 10 US 12 US 14 US 16 US 18 US 20 US 22
A A A B C D E F
B A B C D E F G
C B C D E F G H
D C D E F G H Not Recommended
DD/E D E F G H Not Recommended Not Recommended
DDD/F E F G H Not Recommended Not Recommended Not Recommended
DDDD/G F G H Not Recommended Not Recommended Not Recommended Not Recommended
H G H Not Recommended Not Recommended Not Recommended Not Recommended Not Recommended
I H Not Recommended Not Recommended Not Recommended Not Recommended Not Recommended Not Recommended
Tip: For the perfect fit, we recommend choosing your true size. Only size down if you are in between sizes.
BOOMBA Demi Sticky Bra:
Current
Bra Size
US 10 US 12 US 14 US 16 US 18
A A A B C D
B A B C D E
C B C D E F
D C D E F Not Recommended
DD/E D E F Not Recommended Not Recommended
DDD/F E F Not Recommended Not Recommended Not Recommended
DDDD/G F Not Recommended Not Recommended Not Recommended Not Recommended
Tip: For the perfect fit, we recommend choosing your true size. Only size down if you are in between sizes.
BOOMBA Magic Padded Sticky Bra:
Current
Bra Size
US 8 US 10 US 12 US 14 US 16 US 18
A AA A A B C D
B AA A B C D E
C A B C D E F
D B C D E F Not Recommended
DD/E C D E F Not Recommended Not Recommended
DDD/F D E F Not Recommended Not Recommended Not Recommended
DDDD/G E F Not Recommended Not Recommended Not Recommended Not Recommended
H F Not Recommended Not Recommended Not Recommended Not Recommended Not Recommended
Tip: For the perfect fit, we recommend choosing your true size. Only size down if you are in between sizes.
Magic Breast Lift Chart:
Current
Bra Size
US 10 US 12 US 14 US 16 US 18
A A/B A/B A/B C/D DD/E/F
B A/B A/B C/D C/D DD/E/F
C A/B C/D C/D DD/E/F DD/E/F
D C/D C/D DD/E/F DD/E/F G/H
DD/E C/D DD/E/F DD/E/F G/H Not Recommended
DDD/F DD/E/F DD/E/F G/H Not Recommended Not Recommended
DDDD/G DD/E/F G/H Not Recommended Not Recommended Not Recommended
H G/H Not Recommended Not Recommended Not Recommended Not Recommended
Tip: For the perfect fit, we recommend choosing your true size. Only size down if you are in between sizes.
Please feel free to contact us for further assistance, we'd love to hear from you!