The Atmos has been a mainstay of the Giro helmet line-up for several years. Road, cyclocross, and XC riders have all appreciated the large open-vented shell structure and aggressive styling. The Atmos II shares the pedigree, but Giro has been working to make it stronger and lighter without compromising safety or driving the price through the roof. The same In-Mold shell construction process is used, and the Roll Cage internal matrix spans the design, but a new Thermoformed SL material replaces the original version, dropping grams and exceeding the original’s strength.

The Atmos II still features the same design style and 26 Wind Tunnel™ vents that allow massive airflow and create the signature look. The In-Mold construction features the EPS liner that absorbs shock and dissipates the energy through the helmet structure and away from the skull. For retention and fit, the redoubtable Roc-Loc 5 handles the job with its micro-adjusting dial. The whole fit assembly can be vertically adjusted 15mm via a shell mounted tab. This allows the rider to accommodate the depth and shape of the skull for an optimum fit and proper angle. All in all the Atmos II carries forward all of the same features you have come to love, but is stronger and lighter. Why change a great helmet when you can simply improve it? Why, indeed.