The Atmos '04 is identical to the '05, '06, '07, '08 except for colors. The Atmos is anything but thin air. This is the most aggressive silhouette Giro has ever carved around 26 Wind Tunnel vents, with a new carbon Rib Cage reinforcement, interior strap anchors and s five-piece In-Mold shell. Roc Loc 4. Helmet pod included. Weight 8.5oz/240g

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This is a USPS Collectible Helmet!