Giro Aries Spherical Bike Helmet Size:S aerodynamic and stiff basket with

aerodynamic and stiff basket with hard Tungsten tip for superior adhesion and wear-resistance

How does the F1 XT differ from the F1 LT

dry™ insert and the new GTT Empel DWR water repellent coating

4-Quattro SL W vs

In one fell swoop

Giro Aries Spherical Bike Helmet Size:S aerodynamic and stiff basket withGiro Aries Spherical Helmet features state of the art performance, protection, and style. Weighing only 270 grams in size medium, it centers on comfort and cooling power. Spherical Technology redirects energy away from the brain in certain impacts, while Progressive Layering and dual densities of Nanobead EPS foam provide comprehensive energy management. 24 Wind Tunnel vents are further enhanced by the AURA II Reinforcement Arch and a DryCore brow pad