Enthusiast road and gravel riders deserve pro-level performance and Cielo delivers the style, features, and comfort that set Giro ahead of the bunch. Inspired by Aries, with nods to iconic models like Aeon, Cielo's compact design houses maximizes cooling performance with 22 vents tied to deep internal channeling, while integrated protection from Mips. Evolve Core combines with our top-tier Roc Loc 5 Air fit system. For performance, protection and style that stands out from the pack, step up to Cielo. SPECS: Reflectivity: Reflective decals front and rear Construction: In-mold construction with full polycarbonate coverage Thermoformed SL Roll Cage reinforcement. Full lower hardbody coverage Ventilation: 22 vents and Deep Internal Channeling Fit System: Roc Loc® 5 Air Product Weight: 300g (size Medium CPSC)|290g (size Medium CE) Certification: Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older. E.U.: CE EN1078