You ll feel comfortable, confident, and look great wearing the Giro Women s Verce Bike Helmet on the singletracks. The Roc Loc Sport Fit system gives a custom and secure fit all with a simple turn of the dial knob. Plush padding, 18 vents, and a removable visor makes the Verce a premium helmet. FEATURES: Designed for mountain biking Trail-inspired design with deep coverage Roc Loc Sport Fit system provides an adjustable, comfortable fit Ventilation: 18 vents In-mold polycarbonate shell with EPS foam liner for impact absorption Full Hardbody shell for maximum durability Features extra plush quick-dry padding for comfort Removable visor for coverage from the sun Reflective detailing for added visibility SIZING: Universal Fit Size: 19.75 - 22.5 / 50 - 57cm