Giro's Sonnet helmet is the perfect choice for all of your rides. It feature's Giro's In-Mold polycarbonate shell for low weight and strength. 25 large vents and Giro's Wind Tunnel technology pull air through the helmet to keep you comfortable, and Giro's Roc Loc 5 retention system secures the Sonnet and lets you achieve the perfect fit.
- Small = 51-55cm
- Medium = 55-59cm
A) Micro Dial - A ratcheting dial that’s simply twisted to tighten and loosen the fit.
B) Three-Position Vertical Fit - Lets you raise and lower the Roc Loc system to the perfect position.
C) Ergonomic Arms - Minimal shape fits comfortably and accommodates eyewear.
D) Dual Pods – Supportive, minimal panels that cradle your head for the utmost in comfort and safety.
E) Strap Management - The straps (not shown) are woven through the fit system to always remain in the right place.
In-Mold construction process
Wind Tunnel ventilation system
|White Moss Camo / Small||768686549007||7055056|
|White Moss Camo / Medium||768686549014||7055057|
|Matte Black/White Shibori / Small||768686548888||7055044|
|Matte Black/White Shibori / Medium||768686548895||7055045|
|Matte Titanium / Small||768686548949||7055050||210000062151|
|Matte Titanium / Medium||768686548956||7055051||210000062145|