Teen bras sizing and how to measure

Teen bras have actual cups in their design starting from AA cup. Learn all about your first cup size and what brands to look for.

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What size bra do teenagers wear?

young girl wearing a teen bra

From the collection Boobs & Bloomers | See Amazon.co.uk

Teenage bras start from cup AA and will go to B, C, sometimes D.

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.


Check your size in my bra calculator
of visit M&S for advise and size chart

measure tape bra size uk

Marks & Spencer | Find your Perfect Fit
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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.

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Measure your underbust | this is your band size

illustration on how to measure your band size
Measure your underbust


Measure your bust size | this is your cup size

illustration on how to measure your bust size
Measure your bust

Whatever age you are, getting your 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.



Shop M&S Women | Fit Type

Curve »
Maternity »
Petite »
Tall »

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 or try my bra calculator

small bra size chart
bra size chart AA-B cups


Top 3 teen bra brands


1. Boobs & Bloomers

The first brand I want to highlight here is Boobs & Bloomers from the Netherlands. They are specialized in underwear for girls only. Size range AA – C cups

picture of a girl first bra boobs and bloomers brand
Boobs & Bloomers Girl’s Basic Padded Anny Full Cup Bra (Amazon)

Girl’s Lot Dot Print Black Non-Wired Padded Bra | See Amazon.co.uk

Girl’s Soof Fantasy Print Dark Blue Non-Wired Padded Bra | See Amazon.co.uk


2. Royce Lingerie teen bras

A well-known brand from the UK is Royce Lingerie. They have a very well-balanced collection for girls’ first bras.

My First Bra is a pure cotton bra, making it feel very soft. A two-pack with one plain white bra and one with pretty pink trim. Size range 30AA – 36B. See Amazon.co.uk


Impact free petite sports bra

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.
  • Cups A-D. See details of this sports bra at Amazon.co.uk


Super soft molded cups bra

wired girls bras in black and nude

Two-pack bras, molded cups. Size 30A – 36D | See Amazon.co.uk


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

First bra collection Marks & Spencer | See details at M&S


Other articles you might like

Little bra guide for AAA-B cups
Small bra size chart
What is really a small bra size?
About the 3 smallest cup sizes


Check your size in my bra calculator
of visit M&S for advise and size chart

measure tape bra size uk

Marks & Spencer | Find your Perfect Fit
UK | US | CA | IE | ES | FR | AU
select your shop/country

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