Giro Aries Spherical Bike Helmet Size:S dry™ insert and the new

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

Instantaneous shifts from a single touch even while under World Cup-winning chain loads recorded in the heat of racing and affirmed in the test lab

How does the F1 XT differ from the F1 LT

In one fell swoop

The North Face Women's Summit Casaval Hoodie is a lightweight

Giro Aries Spherical Bike Helmet Size:S dry™ insert and the newGiro 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