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When Giro set its aim at designing the groundbreaking Aether MIPS Helmet, it’s goal was to create the safest road helmet it could, without making any sacrifices to weight, comfort, aerodynamics, or ventilation. In typical Giro fashion, it exceeded expectations at every objective and the Aether provides the discerning cyclist a stylish lid with absolutely zero compromises. You’ll certainly notice them atop the Team BMC pros at this year’s Tour, providing them with the protection they need during the chaotic sprint finishes that define the start of the 3-week race, and while plummeting down high-speed descents on exposed, narrow, hairpin roads, all the while keeping them from overheating while the sun bakes down on the French countryside.

The most revolutionary feature on the Aether is the all-new MIPS Spherical protection system. By now, we’re all pretty familiar with how standard MIPS works, using a plastic liner inside the helmet to act as a slip-plane, helping to redirect the impact energy at certain angles. With MIPS Spherical, the principles are the same, however, instead of that slip plane sitting against your head, often compromising the fit and choking off much-needed ventilation, two layers of foam on the outside of the helmet slide against one another becoming the essential components allowing for the MIPS mechanics.

The progressive layering of the multi-density EPS foam allows Giro to save weight with the impact absorbing material and its covered by a 6-piece polycarbonate shell. Its laser cut with surgical-like precision that’s required for MIPS Spherical to properly work, and even the logo permanently molded as part of the shell, no cheap sticker afterthoughts. The shell has 11 vents, which on paper doesn’t sound like much, but they are huge and conspire with the deep channeling inside, again afforded by moving the MIPS Spherical on the outside, to move air over your scalp, keeping you cooler while racing or doing some tempo intensity workouts during the hottest part of the day. With those massive vents, Giro needed to bolster the structural integrity of the shell and does so with the translucent, shatterproof Aura arch which melds seamlessly with the helmets aesthetics. The last shell feature worth noting is the integrated eyewear docking port letting you remove and secure your sunglasses when daylight is fleeting or on particularly stifling climbs.

Among many, one area where Giro is truely class leading is in its fit retention system and The Aether gets its latest with the Roc Loc 5 Plus. We love its ability to adjust the fit on the fly with precision and just one hand. Wore a hat yesterday but not donning one today? No problem the adjustment is made in less time than it took to read this. Further customization of fit comes courtesy of its ability to adjust the occipital contact points independently.

• A helmet that’s big on safety and small on sacrifices
• In-Mold construction fuses the laser-cut shell to the EPS foam
• Roc Loc 5 Plus offers quick, customized adjustments
• 11 huge vents with deep channeling keep you cooler
• Sunglass ports hold shades on climbs and periods on low-light
• MIPS Spherical moves the slip-plane externally
• Helps to redirect the energy of certain impact forces
• Giro once again revolutionizes what we know as the cycling helmet