The light yet tough in mold shell wraps around to the inside of the helmet to resist dents from life on the streets and the self adjusting fit system eliminates the need to dial in the fit when wearing a cap in mold construction in mold construction fuses a tough polycarbonate outer shell with the helmetrsquos impact absorbing foam liner the fusion process allows giro to sculpt better ventilation systems so in mold helmets can be lighter and cooler than traditional helmets auto loc fit s