The Ultimate Guide to the Best Sports Bras

26 Oct, 2021 | MNB TEAM


Ultimate guide to the best sports bra three women wearing the three lorna jane active essential sports bra styles in black

We all know the struggle of suffering through a workout in an ill-fitting sports bra. From a lack of support to materials that aren’t breathable, and straps that stretch out over time – we’ve all been there.

But choosing the right sports bra is extremely important. Our breasts are made up of thin connective tissues that support the breasts, not muscle. So, wearing the wrong sports bra when you work out can lead to the permanent stretching of your Cooper’s soft-tissue ligaments. This causes the breast to droop over time.

Our guide to sports bras aims to provide you with the best information so you can find your perfect fit. Let’s get started.

Measure Twice, Buy Once

The first step to finding your perfect sports bra is to use our measurement guide below. Get a measuring tape and measure the bust and under bust. Alternatively, you can start by going off your current bra size and converting it to your Lorna Jane size equivalent.

The Bra Basics

models wearing black maximum support sports bras and matching black high waisted leggings

After measuring and getting your bra size it is important to consider the bra basics, before picking a bra out. These are general tips based on your bra size which can help you decide what style of bra might suit your breasts best.

For example, individual bra cups are better for larger breasts, while self-bras work for lower-impact activities for bra sizes ranging from A to B.

Racerbacks are good for support and security particularly with smaller sizes. Whereas a wide and adjustable back are much more supportive for larger sizes in distributing weight evenly.

Getting the right fit

woman wearing black ultimate excel zip front closure sports bra while lifting weights

After picking out your Lorna Jane Bra there are three important areas to consider when checking if this is the right one for you. These are: straps, cups and sides.

Your sports bra straps should never dig into your skin. They should feel comfortable but firm enough to provide the right support. Run your fingers from back of the straps to the shoulder and check the tension of the strap.

Next is the cup of the bra. When putting on your sports bra, your breast should fit comfortably in the cup section. No spillage should appear under the arms, beneath the bra or over the top. A good tip is to check how the sports bra lays at the top. It should be lightly resting on your skin and not gaping anywhere. You can even do a test star-jump and lean over to check for gaping and to ensure the bra is providing the right support.

Then, check the side panels and the back of your bra. No noticeable spillage should be occurring here over the sides or at the back of your bra. Place a finger under the band at the front between your breasts. Alternatively, place a finger under the back bra band. You should not be able to pull the bra away from your chest more than 2-3cms away.

Next, raise your arms above your head and check to see if the band rises or moves upwards. If these two tests show significant movement, you will need to go down a size.

The Bra Breakdown

woman wearing blue amy sports bra while running

Now it’s time to consider what activities you plan on doing in your sports bra. Are you a runner? Or do you prefer practicing yoga or going for a morning walk? Take some time and figure out what function the bra will be fulfilling.

We’ made it easier for you be providing a simple table based off support style below with key fitness activities!

Support Level

Key Fitness Activities 

Bra Features

All-Day Support





Comfortable All-Day fit

Removeable Padding

Strappy Detailing

Lightweight & Soft Feel

Moisture Wicking

Breathable Fabric

High Support

Strength & Resistance 


Adjustable Straps

Removable Padding

Underbust Shaping

Firm & Compressive Feel

Moisture Wicking

Clasp Back

Breathable Fabric

High-Performance Material

Added Coverage Around the Bust

Maximum Support

Gym & Training



High-Impact Cardio

Thick Straps

Adjustable Straps & Clasp

Removable Padding

Front Closure

Underbust Shaping

Firm & Compressive Feel

Moisture Wicking

Breathable Fabric

High-Performance Material

Added Coverage Around the Bust

Anti-Chafing Seaming 

Internal Anti-Slip Gel Taping

How to Care For Your Sports Bra

three women wearing lotus longline strappy back sports bra in pink, titanium grey and beige stone colourways

Now you’ve got your measurements, checked the fit and considered the sports bras function and purpose, you should have a sports bra you will love and use for a long time to come!

But to ensure you make the most of your sports bra, it’s important to take proper care of it. This starts with purchasing a few key sports bras, which could be at varying support levels, to rotate through. You shouldn’t rely on one sports bra to do the job every single time.

All Lorna Jane sports bras are machine washable, but to protect any hardware or zips from catching don’t forget to use a wash bag. A machine gentle cold wash with a mild laundry powder is perfect for keeping your sports bra nice and clean. Be sure to avoid fabric softener and bleach as this can reduce the durability and longevity of your sports bra. Also be sure not to tumble dry your sports bra. Simply leave it to dry naturally on a flat surface or line dry.

And there you have it! We hope this guide has been helpful to you in finding the perfect fit and sports bra! At Lorna Jane we want to empower and equip women with products that inspire them to live a healthy lifestyle, and this includes our sports bras.

Browse our huge collection, including all types of support from low impact to sports bras for nursing mothers and features such as shelf bras and racerback sports bras. We also have a variety of fabrics we use to construct comfortable and supportive sports bras including seamless sports bras and ribbed sports bras. Our range contains classic colours to bold and bright patterns and prints! Shop online or in-store now.


What’s the best sports bra for running?

As running is a high-impact cardio-based exercise, you will need a sports bra with maximum support. This bra should have a firm and compressive feel, with adjustable straps and individual bra cups. Our ‘Compress & Compact Sports Bra’ is a best seller and great for running.

What’s the best sports bra for larger breasts?

Larger breasts need extra support in a sports bra. Our ‘Hold And Mould Sports Bra’ is perfect for providing lots of support and adjustability. With clasp back, adjustable thick straps, removable padding, moisture wicking fabric and more! Alternatively, explore our range of maximum support sports bras to find your perfect match.

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