Spherical MIPS technology with ball and socket design: Redirects impact energy away from the brain for enhanced safety
Progressive layering with dual-density EPS foam: Provides comprehensive energy management for both high and low speed impacts
24 wind tunnel vents and deep internal channeling: Maximizes airflow and cooling for rider comfort
ROC Loc 5 Air Fit system: Enhances fit, comfort, and stability with adjustable fit tension and fore/aft tilt
Ionic antimicrobial padding: Keeps helmet fresh and odor-free
Summarized by Shop
The Giro Aries Spherical MIPS Road Helmet is the best-in-class high-end road helmet with a compact design that offers the pro tour riders every advantage they need to reach the top step of the podium.
Its smaller form and lighter weight deliver sensational comfort and cooling power. Spherical Technology™, the ball-and-socket design powere
Weight
265–275 g (varies by size)
Sizes
Small (20.21–21.75 in / 51–55 cm), Medium (21.75–23.25 in / 55–59 cm), Large (23.25–24.75 in / 59–63 cm)
Shell Material
In-mold polycarbonate
Liner
Dual-density EPS foam with progressive layering
Ventilation
21–24 wind tunnel vents with deep internal channeling
Fit System
ROC Loc 5 Air Fit
Summarized by Shop
4.7
17 ratings
5
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3
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1
Giro Aries Spherical
Aesthetically, this is an improvement on the Aether which was my previous helmet. However, the fit seems to vary a bit with the Sz M allowing for a bit more room on the older helmet. In the same size, this new helmet is pretty snug on my forehead even without adjusting the dial to tighten it at all.
K
Kelsey · April 8, 2026
Great service
W
Will · March 26, 2026
Great helmet
The helmet fits well. It has a small profile, which has a great look. I like that it has a high rating for safety. The vents are great for ventilation--important for riding in the South.