Giro Stylus
Details
Giro's Stylus is a stylish lid that fits great. Giro's Acu Dial 2 fit system lets you find a custom fit and feel with a simple one-hand adjustment. The impressive 26 vents keep the air moving so you stay comfortable. And, Giro's In-mold construction delivers top-notch safety and durability.
Small 20”-21.75” / 51-55 cm
Medium 21.75”-23.25” / 55-59 cm
Large 23.25”-24.75” / 59-63 cm