All models are declined in all sizes from XS to XL.
On some models, and in some countries, there is size XXL, contact your local dealer for more information.
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It is recommended to spray a special silicone seal to the upper seal. If the visor is adjustable, you can find out more by referring to your helmet user manual.
The weight of a helmet model is an average weight observed at the end of the production line on a size M, plain colour and ECE standard.
This average weight may differ from the actual weight observed on your helmet depending on the approval standard in force in the country where it was purchased (ECE, DOT, CCC etc.)
The finish of your helmet can also have an impact on its actual weight: plain, decorated, matte or glossy.