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Wrap a soft tape measure around your head, keeping it level from front to back, just above your ears and eyebrows. Note the measurement and find your size below. The helmet should fit with a little room when the fit system is loosened, and sit low enough to protect your forehead without blocking your vision. Once you have the right size, dial in the fit with the adjustment system.
Adult helmets
| Size | Head circumference | Approx. inches |
|---|---|---|
| S | 52 – 55.5 cm | 20.5 – 21.9 in |
| M | 55.5 – 59 cm | 21.9 – 23.2 in |
| L | 59 – 62.5 cm | 23.2 – 24.6 in |
| XL | 62.5 – 65 cm | 24.6 – 25.6 in |
Race helmets
| Size | Head circumference | Approx. inches |
|---|---|---|
| XS | 52 – 53.5 cm | 20.5 – 21.1 in |
| S | 53.5 – 55.5 cm | 21.1 – 21.9 in |
| M | 55.5 – 57 cm | 21.9 – 22.4 in |
| L | 57 – 59 cm | 22.4 – 23.2 in |
| XL | 59 – 60.5 cm | 23.2 – 23.8 in |
| XXL | 60.5 – 62.5 cm | 23.8 – 24.6 in |
Youth helmets
| Size | Head circumference | Approx. inches |
|---|---|---|
| XS | 48.5 – 52 cm | 19.1 – 20.5 in |
| S | 52 – 55.5 cm | 20.5 – 21.9 in |
| M | 55.5 – 59 cm | 21.9 – 23.2 in |
Based on Giro's official snow helmet size guide (centimeters). Inches are converted and rounded; when you are between sizes, go by the centimeter measurement. Questions? Give us a call and we'll help you find the right fit.
All orders of $50 or more.
Fast, easy returns within 30 days.

Giro
The Neo Mips® II™: the modern classic refined, and reimagined.
The Neo™ has long been a Giro staple; lightweight, versatile, and instantly trusted by skiers and riders everywhere. Now, the all-new Neo Mips® II™ takes that legacy further with a complete redesign. Featuring a sleek modern profile, refined details, and the trusted protection of Mips® technology, it delivers the fit, comfort, and temperature control that skiers and rider demand. The Neo Mips® II™ proves that even a classic can evolve.
Additional Features
In-Mold Construction
In-form Fit system
Thermostat control
Ionic+® Padding
Stack vent
Plush Max Padding*
Features
Adjustable Vents
Ski and Snowboard
Giro
Mens, Womens, and Unisex Adult
1 Year



