Giro Reverb Urban Cyling Helmet Synthetic In-Mold construction reinforces the area around the vents and ribs, creating a one-piece exoskeleton, which allows the helmet to be lighter, more durable and better ventilated than traditional designs Retro styling with metal badge logo and new webbing that slides 9 generous vents provide superior ventilation and cooling comfort Removable cap-style visor looks cool and protects your vision Auto Loc retention system combines a supple elastic fit band at the back of the helmet with fixed-position straps which automatically adjust to your head once the system is set to 1 of the 3 different circumference settings