The Giro Helios Spherical Helmet delivers premium protection, ventilation, and comfort for road, gravel, and endurance riders. Engineered with Spherical Technology™ powered by MIPS®, this helmet manages impact energy more effectively while offering a lightweight, highly ventilated design ideal for long, demanding rides.
Key Features
- Spherical Technology™ powered by MIPS®: Ball-and-socket design helps redirect impact forces in certain crashes for advanced protection.
- Progressive Layering: Dual-density foam layers manage both high- and low-speed impacts efficiently.
- 22 Wind Tunnel™ vents: Channel air through the helmet to keep your head cool on climbs and hot rides.
- Roc Loc® 5 Air fit system: Allows easy one-handed adjustment for a personalized fit and optimal ventilation.
- In-mold polycarbonate shell: Bonded to an EPS foam liner for lightweight strength and durability.
- Antimicrobial Ionic+™ padding: Provides moisture-wicking comfort and odor control for long rides.
- Featherweight webbing: Soft, minimal straps keep the fit secure and irritation-free.
- Versatile design: Ideal for road, gravel, or mixed-surface cycling.
Specs
| Intended Use | Road / gravel / endurance riding |
| Construction | In-mold polycarbonate shell with dual-density EPS liner |
| Impact System | Spherical Technology™ powered by MIPS® |
| Fit System | Roc Loc® 5 Air adjustable fit system |
| Ventilation | 22 Wind Tunnel™ vents with internal channeling |
| Padding | Ionic+™ antimicrobial, moisture-wicking padding |
| Weight | ~270 g (Size M) |
| Certification | CPSC, CE EN1078 |
| Size Range | S (51–55 cm), M (55–59 cm), L (59–63 cm) |
Fit tip: The Giro Helios fits true to size with an adaptive, low-profile feel. Use the Roc Loc® 5 Air system to fine-tune tension and vertical positioning for a secure fit.