On the outside, the new Giro Quarter Helmet may look relatively similar to other low-profile, skate-style helmets out there, but it's actually a cutting-edge lid that makes a fine home for your dome. The Quarter is Giro's entry-level helmet into the gravity-chasing, dirt-jumping,...

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Giro's lowest profile helmet is now available with more protection than ever for your most thrilling rides. Take the Quarter MIPS Helmet to the trails for affordable protection, without added bulk. MIPS, or Multi Directional Impact Protection System, refers to the Swedish technology that can be...

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