Giro's Trinity is an easy-fitting, classically styled helmet at a price that won't break the bank. In-Mold construction ensures strength and low weight, while 22 air vents keep you cool and comfortable so you'll forget that you're even wearing a helmet. Plus, the Acu-Dial retention system provides easy, one-handed fit adjustments.
One size: 54 - 61cm
Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older