- In-Mold technology bonds the helmet's tough outer microshell to the impact-absorbent expanded polystyrene liner, creating a light, cool and strong helmet
- Acu-Dial fit system can be adjusted with a single hand for a comfortable, secure fit
- 22 vents provide airflow to keep you cool
- The Giro Trinity Bike Helmet for women features a reflective rear decal
Please note: Giro products can only be shipped to the U.S., Canada and Mexico.
|Head circumference||21.25 - 24 inches|