Giro Atmos II Helmet


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The Giro Atmos II Helmet utilises Giro’s Thermoformed SL Roll Cage which is the skeleton that gives form to the helmet’s EPS liner. It keeps the helmet together under impact, acting like a second shell to maintain the helmet’s structural integrity and disperse impact. The added strength also means that Giro can add negative space to the Atmos II without sacrificing safety, so it’s more ventilated and lighter than its predecessor.

The Atmos II still takes advantage of Giro’s In-Mold Composite reinforcement, which permanently fuses the outer shell and SL Roll Cage to the EPS foam liner to enhance the effectiveness of all three. In an age of mass production, Giro’s Roc Loc 5 Fit System makes the Atmos II fit like a custom one-off. You can custom tune the fit tension as well as the fore-aft tilt of the helmet in seconds with one hand.

Though other helmet manufacturers have similar adjustability options, none of them even come close to the weight savings that the Roc Loc system offers; it’s almost 40% lighter than comparable systems. Keeping your head cool during even the hottest, most critical road races is something that Giro has focused a great deal of attention on.

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Giro Atmos II Helmet Key Features

  • Roll Cage reinforcement is a tough web of DuPont Nylon molded inside a helmet’s EPS foam liner
  • In-mold construction fuses a tough polycarbonate outer shell with the helmet’s impact-absorbing foam liner
  • Removable X-Static comfort padding that provide anti-microbial properties to help keep your helmet fresher, longer
  • The Roc Loc 5 custom fit design allows for an unmatched level of comfort, stability, adjustability and weight savings
  • Featherweight webbing with Slimline buckle
  • 26 Wind Tunnel Vents with Internal Channeling
  • Thermoformed SL Reinforcement

About Giro

Giro perfectly merges science and soul to create new ideas to enhance the ride. Giro have come from a unique place — Santa Cruz, California—at the intersection of surf and mountains with the bustling tech world of Silicon Valley visible from forested hilltops. The town attracts people of an independent mindset: outdoors people; iconoclasts who set their own priorities, more inclined to put human values ahead of corporate interests.

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