Giro Aries Spherical Bike Helmet Size:S How does the F1 XT

How does the F1 XT differ from the F1 LT

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

and GripTech material at the temples and nose bridge keep things where they belong

In one fell swoop

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

Giro Aries Spherical Bike Helmet Size:S How does the F1 XTGiro 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