standard or large?
Follow these 3 steps to determine the best size for you
Two-thirds of customers wear Standard
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Grab a tool to measure
If you don't have flexible measuring tape, use a charging cord and a ruler or stiff measuring tape.
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Measure this distance
Tilt your head back and measure around the base of your skull, from the top of one ear to the other.
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Choose your size
Below 28.5cm = Standard
Above 28.5cm = Large
If you're on the cusp, we suggest the Large.
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