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Teen bras may have actual cups in their designs. Learn all about your first cup size
What size bra do teenagers wear?
Teenage bras start from cup AA and will go to B, C, and sometimes D.
What's your bra size? See my calculator
Marks and Spencer Lingerie
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Find the right bra at your M&S Store
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At Marks and Spencer, you'll find advice and tips on styles to suit you | M&S BraFit Guide
The cups of your first bra might be padded and may also have a wire in them. This is a flexible wire that will be very comfortable.
How to measure a teenage bra?
You’ll need a measuring tape to do your measurements. Write down the outcome. You will need two numbers to determine your bra size.
Measure your underbust | this is your band size
![illustration on how to measure your band size young girl](https://brasizecalculator.co.uk/wp-content/uploads/2019/02/measureunderbust.jpg)
Measure your bust size | this is your cup size
![illustration on how to measure your bust size first bra teen](https://brasizecalculator.co.uk/wp-content/uploads/2019/02/measurebustsize.jpg)
Whatever age you are, getting the right bra size is the first step before trying and buying a bra.
It’s not difficult to determine your bra size at home. Of course, you can ask someone to help you or get a bra fitting in a lingerie store.
Marks and Spencer | Women's Fashion 2024
![](https://brasizecalculator.co.uk/wp-content/uploads/2024/01/msfashion2024.png)
At Marks and Spencer, you'll find advice and tips on styles to suit you | M&S BraFit Guide
It’s important to measure regularly. Your body and breasts may change in size over time.
You can look up your bra size in this bra size chart.
![small bra size chart for teenagers](https://brasizecalculator.co.uk/wp-content/uploads/2019/05/small-bra-size-chart.jpg)
Also, see Teen bras and sizing Marks & Spencer
Top 3 teen bra brands
1. Manjiamei
Manjiamei has a great selection of bras for young girls.
![first bra cotton for girls](https://m.media-amazon.com/images/I/41oz4KJAyqL._SL500_.jpg)
Teen Girls Thin Cotton Breathable Sports Bra Push-up Running | See Amazon.co.uk
What’s great about this brand?
Well, they have all styles a young girl would want.
- cup sized bra
- non-cup sized
- molded
- light push-up styles
- racerback styles
![sports bra for girls adjustable](https://m.media-amazon.com/images/I/313ajLhrNgL._SL500_.jpg)
MANJIAMEI Teen Girls Sports Bras with Adjustable Strap Wire Free Bralette | See Amazon.co.uk
Also, see Teen bras and sizing Marks & Spencer
2. Sunvivid Teen Girls Bras 100% Cotton AB-Cup
![bra for girls size A and B](https://m.media-amazon.com/images/I/41arwTgU41L._SL500_.jpg)
Available Size are 32/70AB Bras, 34/75AB Bra, 36/80AB and 38/85AB Bras. Bras for girls 10-12, 12-14, 16-18 years.
Impact-free petite sports bra
![first sports bra cup a from the brand royce uk](https://brasizecalculator.co.uk/wp-content/uploads/2019/05/royce-sports-bra-teens.jpg)
![](https://brasizecalculator.co.uk/wp-content/uploads/2019/05/royce-sports-bra-teens-back.jpg)
This sports bra is designed for women and girls with a smaller frame.
- The bra offers good support during sports and exercise.
- It has a racerback design and adjustable back fastening.
- The foam pads in the cups give a great shape.
- The pads can be easily removed, leaving a pocket to hold a prosthesis if required.
Also, see Teen bras and sizing Marks & Spencer
3. Marks & Spencer
M&S has a special first bra collection. You’ll find both wired and non-wired designs. Colors black, nude, white, pink
![non wired first bra from the collection of marks and spencer](https://brasizecalculator.co.uk/wp-content/uploads/2022/01/image-1.png)
First bra collection Marks & Spencer | See details at M&S
Also, see Teen bras and sizing Marks & Spencer
Other articles you might like
Bra guide for AAA-B cups
Small bra size chart
6 Strapless bras for girls and teens
10 Starter sports bras for girls
Dance bras for ballet, Zumba…
What is considered a small bra size?
About the 3 smallest cup sizes
What's your bra size? See my calculator
Marks and Spencer Lingerie
![](https://brasizecalculator.co.uk/wp-content/uploads/2024/01/msbras.png)
Find the right bra at your M&S Store
M&S UK | M&S US | M&S CA | M&S AU