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How to determine your size for inline skating knee protection?

In the picture below you can see how to measure your knee (or leg in fact) to determine your knee protection size.

Measure both circumference A and circumference B about 10 cm from the centre of the knee.

How to measure your knee to determine your knee protection size.

For your peace of mind, please first read the FAQ article The Importance of Getting the Right Size for Protective Equipment 😊.

Measure the circumference of your leg according to lines A and B. Then compare with the table below.

This table applies for knee protection of the brands Powerslide, Ennui, Rollerblade and Seba.

XXS (Extra Extra Small)
Circumference A: between 23 and 27 cm
Circumference B: between 20 and 23 cm
Extra Small
Circumference A: between 27 and 30 cm
Circumference B: between 23 and 26 cm
Small
Circumference A: between 30 and 36.5 cm
Circumference B: between 26 and 29 cm
Medium
Circumference A: between 36.5 and 43.5 cm
Circumference B: between 29 and 34 cm
Large
Circumference A: between 43.5 and 51 cm
Circumference B: between 34 and 41 cm
Extra Large
Circumference A: between 51 and 57 cm
Circumference B: between 41 and 47 cm

If you need a different size for circumference A than for circumference B, take the larger of the two sizes.

Next article: How to determine your size for inline skating elbow protection?
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