The Giro Trella Urban Helmet provides incredible versatility to go. Boasting a comfortable fit, with deep coverage and open ventilation, this helmet is suitable for nearly any ride. The Giro Trella Urban Helmet is built using In-Mold construction to reduce weight while enhancing durability that stands up to everyday use. The ease and comfort of Giro's acclaimed Roc Loc Sport fit system makes fitting as easy as turning a dial. With all these features together, you get the versatility you need to ride everything from forested fire-roads to swooping singletrack trails to the city streets. Giro Trella Urban Helmet Features Women’s Series Full Hardbody shell Quick-dry padding Reflectivity Giro Trella Urban Helmet Specifications Ventilation: 18 Vents Construction: In-Mold polycarbonate shell with EPS liner Fit System: Roc Loc Sport