Ultra Boost Inserts
Ultra Boost Inserts Sizing Guide
If you are unsure of your bra size, please measure your bust and contact us with the measurements.
BRA SIZE
| US | BOOMBA BRA SIZE |
|---|---|
| 28A | AA |
| 30A | AA |
| 32A | AA |
| 34A | A |
| 36A | B |
| 38A | C |
| 40A | D |
| 42A | E |
| 44A | F |
| 28B | AA |
| 30B | AA |
| 32B | A |
| 34B | B |
| 36B | C |
| 38B | D |
| 40B | E |
| 42B | F |
| 28C | AA |
| 30C | A |
| 32C | B |
| 34C | C |
| 36C | D |
| 38C | E |
| 40C | F |
BRA SIZE
| US | BOOMBA BRA SIZE |
|---|---|
| 28D | A |
| 30D | B |
| 32D | C |
| 34D | D |
| 36D | E |
| 38D | F |
| 28DD/E | B |
| 30DD/E | C |
| 32DD/E | D |
| 34DD/E | E |
| 36DD/E | F |
| 28DDD/F | C |
| 30DDD/F | D |
| 32DDD/F | E |
| 34DDD/F | F |
| 28G | D |
| 30G | E |
| 32G | F |
| 28H | E |
| 30H | F |
| 28I | F |
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 34M.
Please note that results may vary depending on breast size and shape. Results will be similar to a double push up bra. BOOMBA’s padded inserts work best with natural breasts.
If you need any help with sizing or insert styles, please feel free to contact us for further assistance, we'd love to hear from you!
Still need assistance? Send us your bust and underbust measurements and we'll help you find your perfect fit!
PATENT PROTECTED
The most padded insert on the market. The go-to for that wow factor. Instantly boost up to 2 cup sizes. Recommended for tops with structure in the chest area.
 | Triangular-shaped, best for low v-cut tops |
 | Boosts up to 2 cup sizes |
 | Double-sided adhesive for extra security |
 | Sweat and water-resistant |
 | No sewing required and interchangeable between outfits |
 | Our inserts are not intended for individuals who have sensitive or thin skin, or women who are pregnant or breastfeeding |
Unlike a sticky bra that is supported by the adhesive, BOOMBA inserts are supported by the clothing and cannot stay up by themselves. It is crucial to wear them in tight, structured, and fitted tops.
For the perfect fit, we recommend choosing your true size. Only size down if you are in between sizes.
Have augmented breasts? Please check our FAQ section to see if they are suitable for you.
HOW TO USE BOOMBA INSERTS
Please note that our inserts are not intended for individuals who have sensitive or thin skin or women who are pregnant or breastfeeding.
Like traditional inserts, BOOMBA inserts need to be used inside clothing. They cannot be used by themselves.
STEP 1
Wear the garment on your body. Tighten the garment if possible for best results.
STEP 2
Stick the inserts onto the inside of your clothing item and not to your skin.
STEP 3
Scoop breasts up and towards the centre to create cleavage.
STEP 4
While scooping, press the insert onto the breasts and press firmly to secure.
STEP 5
Make sure both sides are even in the mirror, adjust if needed.
Check out this blog to know which insert is suitable for your outfit.
SIZING
If you are unsure of your bra size, please measure your bust and contact us with the measurements.
Ultra Boost Inserts:
BRA SIZE
| US | BOOMBA BRA SIZE |
|---|---|
| 28A | AA |
| 30A | AA |
| 32A | AA |
| 34A | A |
| 36A | B |
| 38A | C |
| 40A | D |
| 42A | E |
| 44A | F |
| 28B | AA |
| 30B | AA |
| 32B | A |
| 34B | B |
| 36B | C |
| 38B | D |
| 40B | E |
| 42B | F |
| 28C | AA |
| 30C | A |
| 32C | B |
| 34C | C |
| 36C | D |
| 38C | E |
| 40C | F |
| 28D | A |
| 30D | B |
| 32D | C |
| 34D | D |
| 36D | E |
| 38D | F |
| 28DD/E | B |
| 30DD/E | C |
| 32DD/E | D |
| 34DD/E | E |
| 36DD/E | F |
| 28DDD/F | C |
| 30DDD/F | D |
| 32DDD/F | E |
| 34DDD/F | F |
| 28G | D |
| 30G | E |
| 32G | F |
| 28H | E |
| 30H | F |
| 28I | F |
Tip: always size down if you're in between sizes for a seamless fit.
For sizes 34F and up, our Demi Boost Inserts (double push-up) are available in sizes up to 34G and our Invisible Lift Insertsa (lightly padded) are available in sizes up to 34I.
Please note that results may vary depending on breast size and shape. Results will be similar to a double push up bra. BOOMBA’s padded inserts work best with natural breasts.
If you need any help with sizing or insert styles, please feel free to contact us for further assistance, we'd love to hear from you!
SHIPPING
Limited time only, FREE shipping on orders $40+ USD for:
Australia, US (excluding Alaska and Hawaii), Singapore, UK, Canada, Hong Kong, Austria, Belgium, Czechia, Denmark, Estonia, France, Germany, Hungary, Ireland, Japan, Lithuania, Luxembourg, Macao, Malaysia, Netherlands, New Zealand, Philippines, Poland, Portugal, Spain, Slovakia, Sweden, Thailand, and Vietnam.
Free Shipping on orders $115+ for the rest of the world,
otherwise $14.99 shipping fee applies.
Express shipping (3-7 business days) available everywhere for $42.
Please find the average transit time below:
Region | Average Shipping Time |
North America |
|
| United States | 4-12 |
| Canada | 6-11 |
| Mexico | 5-12 |
Oceania |
|
| Australia | 5-12 |
| New Zealand | 8-10 |
| Asia | |
| Hong Kong | 3-7 |
| Singapore | 3-7 |
| Malaysia | 3-7 |
| Thailand | 3-7 |
| Philippines | 3-7 |
| Rest of Asia | 5-15 |
| Europe | |
| UK | 4-10 |
| Germany | 4-10 |
| EU | 10-15 |
| Switzerland | 6-10 |
| Austria | 7-11 |
| Rest of Europe | 10-15 |
| Rest of the world | 10-25 |
Real Girls, Real Results
Loved By Everyone
How To Use
Why Choose BOOMBA?
BOOMBA products are created by women for women. That’s why our products fit and feel better, because we have also experienced the same struggles you have right now.
We create our products using the best materials and really put care and thought behind the design to ensure a seamless and comfortable fit. When you wear BOOMBA’s products, you will definitely feel and see the difference a good bra makes.
Our products may not be the cheapest, but you can bet that our products will outlast the competitors. Many sticky bra alternatives are priced lower, but you can also only get a few uses out of them. Ours are created using the highest quality materials so that they will actually last, creating less waste in the long run. All our products are also manufactured in a safe and clean working environment that pays fair wages to their employees. We are proud to support fair trade and want to thank you for also doing the same.
Together we can make a difference.
Which BOOMBA Inserts is best for you?
Hollywood’s #1 Best Kept Secret
“BOOMBA’s Ultra Boost Inserts are not kidding about the ‘boost’.”
Customers Who Bought This Item Also Bought
- Reviews
- Questions
United StatesGives the lift I needed!
I used these for my wedding and it gave me the perfect amount of lift! I am a 36DD and these were perfect! They stayed in place all day and didn't notice they were there! Funny thing is that I put them on around 12 p.m and at 4 p.m. I looked down and realized I didn't take off the plastic part that goes against my chest, but it stayed perfectly in place even though it was really sweaty! I wore these until 2 a.m and they were still stuck to my dress and chest without moving after tearing up the dance floor all night! 10/10 worth the money! I am allergic to adhesive but these did not irritate my skin at all! The left is before the Boomba after having alterations done and the right is with the Ultra Lift Boomba insert!
United StatesObsessed!!!
I have tried SOOOO many sticky bras and have hated all of them! I saw ads for these inserts and finally caved. I bought the Ultra Boost and Demi Boost. I wasn’t sure if they were going to work on me because I have very small boobs but these worked wonders! All of my low cut tops fit so much better now and the double sided stick is amazing. Do not walk, RUN to buy these!!!
CanadaToo good to be true? My experience as a 34A user!
I have been considering a boob job for a while but scared after seeing a lot of explant videos. I saw this in an ad and thought that it seemed too good to be true, but their marketing is 10/10 so I caved lol. But real talk, this is the BEST purchase I have made all year. It really works so well and has given me the new found confidence I needed to feel good and sexy in my bikini. I am a 34A and it honestly makes the world of a difference in the way the tops fit on my body. I don't have that weird gapping in between bikinis anymore and it looks really natural, which i was most surprised about. I normally do not write reviews but I felt compelled to because this is something I have struggled with for 32 years and I am just so happy to finally a product that works! This will definitely not be my last purchase!
PhilippinesUltra Boost inserts A.K.A The new look
My overall experience was fantastic. I really love how now I can wear braless clothes. The inserts helped my insecurities. It's not that I have small breast but without these boomba inserts they seemed small in braless clothing, and now I have my boomba inserts in they seemed pushed up like never before. I highly recommend these bomba inserts it made me feel more confident wearing them :)
MalaysiaThe best sticky bra I have ever tried.
Seriously the best sticky bra I have ever used. They were a bit pricey so it was definitely a splurge for me, but my first pair has lasted me almost a year with continuous use. Not only do they look really natural, the adhesive is also really good. I easily get irritated and these did not irritate me at all. I am on my second pair and recommend these to all my friends. If you are on the fence, I would say get them because they really made my outfits look so much better.
