Louis Garneau Diamond II Road Helmet Size L Color WhiteCustomizable

40 vents! Yes, 40! 40 vents including 8 front Venturi Vents for maximum ventilation. 40 vents, 285 g and it still surpass safety standards, how did Louis Garneau do it With their own patented Super MSB Monocoque Structural Base and EXI technologies. The monocoque polycarbonate base acts like an exo skeleton providing more than a fashion statement or protection against abrasion for the base of the Louis Garneau Diamond II Road Helmet it is one of the strongest ways to achieve structural strength. Instead of using internal rib cages which add more weight and limit the number of vents, Louis Garneau used Super MSB and EXI technologies in conjunction. This consists of 2 polycarbonate bars placed inside the helmet at specific structural location and 9 carbon bridge inserts which provide the strength exactly where it is needed. The result more vents, less weight. Spiderlock PRO II Helmet stabilizing system featuring a polymer neck support can be easily adjusted and tightened on the head using only one hand Super MSB Technology Ring shaped plastic protection at the base of the helmet reinforces the perimeter for enhanced protection Exo Insert Technology Lightweight inner plastic reinforcement spreads the shock of impact and helps maintain the helmet's structure X static XT2tm Padding Quick drying antimicrobial material that inhibits growth of odor causing bacteria and provides optimum comfort Composite Reinforcement Lightweight composite skeleton provides structural support and integrity on impact Evacuation Channels Moisture channels provide better airflow and moisture wicking Steplock Divider Cam locking device to quickly adjust strap position Reflector decals Spiderlock Vision light included White Customizable includes stickers In Mold Construction Certifications: CPSC ASTM CEN AS 2063 Vents: 40 Weight: 10 oz285 g Size L Color WhiteCustomizable