SUOMY SR SPORT Manual De Instrucciones página 21

The internal shell can be totally removed. It is made in excellent anallergic fabric with anti-bacteria treatment.
All the parts in contact with the face are easily washable.
Interchangeable side cheek pads, available in different thicknesses to assure the best fit for all head sizes.
The SR SPORT ventilation system along with the particular shape (Suomy patent) of the internal polystyrene shell, optimizes outside and inside
air flows, fed by three air intakes, which exploit the Venturi effect thus optimizing internal ventilation. The four back air inlets release the air flows.
This assures a more uniform and continuous flow of air inside the shell, which is also enhanced by the extraction grid on the back part.
The strap has a D-ring retention system in anti-corrosive stainless steel, and a button on the strap.
The fastening stud is positioned in a completely free and accessible area. The stud is easy to lock and unlock even with gloves.
Thanks to the particular shape of the D-Ring system (Suomy patent), the retention system can be easily disengaged even while wearing gloves:
when the automatic button is fastened, the strap forms an eyehole that can easily be used as «ring» to pull the tab and release the D-ring
fastening system.
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