The shape of the helmet allows a 5% reduction of the aerodynamic resistance white the ventilatione holes allow the optima thermal regulation making  the helmet suitable for any kind of weather.  

In-Moulding Technology shell
Polycarbonate cover on top, back and bottom ring
LDHR Technology (Lateral Deformation High Resistance)
Ventilation holes : 8
Inner pad with anti-insect net, treated Interpower, removable and washable
Nano 3D adjusting system with micrometric wheel, adjustable with one hand, also the height is adjustable
Soft fabric strap with quick-release magnetic buckle and chin protector

Homologation: EN 1078