Giro Caden II Adult Urban Bike Helmet, Trail Green, Size M (55-59 cm)

HARDSHELL WITH IN-MOLD HARDBODY™ LOWER WRAP — The two-piece shell combines a tough outer hard shell with a polycarbonate lower shell permanently fused to the liner for durability without excess weight.
ROC LOC® CITY FIT SYSTEM — The Roc Loc® City fit system features a rubberized dial for easy adjustability and large plush pads for ultimate comfort and stability. The fit system is made of a durable flexible material for long-term performance and daily lockability. The three positions of vertical adjustability and 6cm range make this a perfect fit for your daily use.
WIND TUNNEL VENTILATION — Giro helmets are developed utilizing our proprietary Wind Tunnel ventilation system. This elaborate design combines active vents in the helmet's shell with exhaust channels inside the helmet that thrust fresh, cool air over and around the rider's head while forcing heat and stale air out. It's the most effective cooling system available,