Giro Aries Spherical Helmet: Featherweight Champion of Safety and Comfort

Lightweight, Safe, Comfortable, Aerodynamic Helmet

What an extraordinary marvel of engineering we have here – the Giro Aries Spherical Helmet. For anyone who shares a love for the open road, the wind rushing by as you power through the landscape on two wheels, this helmet is more than just a piece of safety gear; it's a game changer. And let's be frank here, safety should never be compromised for style and comfort, but why should we compromise at all?

The first thing that stands out is the exceptional weight – a mere 270 grams for a medium-sized helmet, that's practically featherweight. The credit here goes to the AURA II Reinforcement Arch. It's a translucent twin bridge design that crisscrosses the helmet to provide unmatched structural integrity, sans the extra ounces.

What truly sets this helmet apart is the Spherical Technology. Don't let the sleek, compact design fool you. It's actually a clever ball-and-socket design, backed by Mips®, engineered to deflect the brunt of an impact, keeping your grey matter safe. It's this very feature that's won the helmet Virginia Tech's #1 rating for reducing the risk of injury. In the unfortunate event of an impact, this tech might make all the difference.

Beyond the structural excellence and safety considerations, the helmet tackles comfort and utility with an innovative approach. We've all had those exhausting rides on sun-scorched roads, sweat stinging our eyes. Enter the DryCore™ sweat management system, designed to divert sweat away from your forehead, allowing you to keep your eyes on the road ahead. A plush brow pad, coupled with a network of deep internal channels, not only manages sweat but also promotes cooling, improving upon the Aether's efficiency by 2.3%.

This helmet is not just about safety and comfort, it's also about optimizing your ride. Aries reduces drag by 4% over its predecessor, courtesy of reduced frontal surface area and those minute details like chamfered edges on the AURA II. This is a helmet that won't hold you back, whether you're gunning for that hill climb or racing to beat the setting sun.

The Giro Aries Spherical Helmet isn't just another helmet in the market. It's a tool for the serious rider, the adventurous soul who craves the rush of the open road. For its price tag of $300, it offers unmatched safety, comfort, and ride-enhancing features, making it a worthy investment for those who don't just ride to get from point A to point B, but for the sheer joy and exhilaration of the journey itself.


  1. Weight: At only 270 grams (for a medium size), the Giro Aries Spherical Helmet is extremely lightweight, making it comfortable for long rides.
  2. Safety Features: The helmet boasts the cutting-edge Spherical Technology powered by Mips®. This feature redirects impact forces, adding an extra layer of protection for the rider. Its effectiveness has earned it the top rating from Virginia Tech in terms of reducing injury risk.
  3. Advanced Ventilation: The helmet has deep internal channels and 24 wind tunnel vents. Together with the DryCore™ sweat management system, these features provide an efficient cooling system for the rider, even outperforming the company's previous model.
  4. Aerodynamic Design: With a focus on reducing frontal surface area and features like chamfered edges on the AURA II, the Aries helmet successfully reduces aerodynamic drag by 4% over its predecessor, the Aether Spherical.
  5. Structural Integrity: The AURA II Reinforcement Arch provides enhanced structural integrity without adding unnecessary weight.


  1. Price: At $300, the Giro Aries Spherical Helmet is quite pricey. While it offers a slew of advanced features, the cost may be prohibitive for some riders.
  2. Fit: While it includes the Roc Loc® 5+ Air fit system for adjustability, helmet fit can be subjective, and comfort levels may vary based on individual head shape and size. It may not fit everyone perfectly.
  3. Eyewear Docking Ports: While these are a useful feature, they may not securely hold all types of sunglasses, which could be a disadvantage for those using non-standard or larger eyewear.
  4. Style: While the helmet is sleek and streamlined, the style may not appeal to all riders. Some may prefer a more traditional or different aesthetic for their biking gear.


Scroll to Top