How to get the perfect fit

Also included with your purchase is a set of black 10mm wide pads. The
silver pads already in your helmet are just 5mm thick. For a tailor made fit,
mix and match according to whether your head is narrow, high, round or
narrow.

This video explains more:

The pads are just to make the helmet as comfortable as possible. They do
not contribute to the performance of your helmet in a crash, if you wish to
remove some completely then do so.
Remember a cycle helmet can only protect you it if fits properly. The helmet
should feel snug but not constricting and sit level 1-2 cm above your
eyebrows. Do not tilt it too far backwards or forwards. The Fidlock clasp
must sit under the chin and not on the jawbone. You should not be able to
get more than one finger between your chin and the strap.

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How to pick the right size +

Measuring and fitting

Measuring your head

Measure the widest part around your head – this is usually approx. 1cm above your ears. If you don’t have a flexible tape measure just use a piece of string or ribbon and find a ruler.

Dashel helmets come in 3 Sizes:

Dashel Cycle Helmet 
Small (S): 54-56cm
Medium (M): 57-59cm
Large (L): 60-62cm

Carbon Fibre Edition

Small (S): 54cm - 56cm
Medium (M): 57cm - 58.5cm 
Large (L): 59cm - 61cm

How to Fit your Helmet

Place the helmet on your head, push it down ensuring it sits level 1-2 cm above your eyebrows and does not tilt too far backwards or forwards. The helmet should feel snug but not constricting. Use the comfort pads to adapt it to your size

Tighten the chin strap, the 'Y' shape should fit just below your ears. The Fidlock clasp must sit under the chin and not on the jawbone.

Make sure the strap feels comfortable but secure. You should not be able to get more than one finger between your chin and the strap.

How to Achieve the Perfect fit

Also included with your purchase is a set of black 10mm wide pads. The silver pads already in your helmet are just 5mm thick. For a tailor made fit, mix and match according to whether your head is narrow, high, round or
narrow.

The pads are just to make the helmet as comfortable as possible. They do
not contribute to the performance of your helmet in a crash, if you wish to
remove some completely then do so.

Remember a cycle helmet can only protect you it if fits properly. The helmet should feel snug but not constricting and sit level 1-2 cm above your eyebrows. Do not tilt it too far backwards or forwards. The Fidlock clasp
must sit under the chin and not on the jawbone. You should not be able to get more than one finger between your chin and the strap.