Giro Quarter Helmet Small Matte Portaro GreyThe Quarter Helmet is not only Giro’s lightest helmet with an ABS shell—it’s also one of their lowest profile designs. Its durable outer layer is complimented by features such as the EPS liner, sweat-absorbing pads, and riveted webbing anchors for an extra degree of comfort. This model is available Small (20”-21.75” / 51-55cm), Medium (21.75”-23.25” / 55-59cm), and Large (23.25”-24.75” / 59-63cm), and is available in Matte Black, Matte Iceberg and Matte Black/Rasta, and Matte Dark Red.768686376658