Size Guide

Find the right size for you

A few quick questions to help you find your ideal fit.

Step 1 of 4

What will you mainly use your ball for?

As a desk chair

A mix of desk use and movement (stretch & exercise)

Exercise, stretching or general use

Sitting, but not at a desk

Step 2 of 4

What's your height?

4'8" – 5'5"

5'6" – 6'0"

6'1" – 6'5"

Step 3 of 4

Is your desk adjustable or fixed height?

Adjustable (sit/stand desk)

Fixed height (standard desk)

Step 4 of 4

Have you used an exercise ball before?

Yes, regularly

A little, but not consistently

No, this will be my first time

Almost there

One last step

Enter your details to reveal your personalised size match and setup guidance.

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Your size match

Based on your height and how you'll be using your ball, this size will help you sit comfortably while maintaining natural alignment through your hips and legs.

A note on getting started

Professional guidance

For personalised advice, we always recommend speaking with a physiotherapist or occupational therapist, especially if you experience any discomfort or have a history of back pain.

Watch: how to set up your ball correctly

How to set up your ball correctly

Watch on YouTube →

Choosing the right size isn't always an exact science.
If it doesn't feel quite right, we offer 60-day returns and exchanges.

Shop your size

Want extra stability?

Our Ultimate Stability Bundle includes a supportive anti-fatigue mat, ideal for hard floors or standing desks.

Shop the bundle