casco sierra flat Gambali always ensuring top performance without

always ensuring top performance without hassle

and the effects of weight and gradient

- Tear-off visor pins integrated into the lens

- Sistema di chiusura con allacciatura

casco sierra flat Gambali always ensuring top performance withoutIn a comparative test by the largest European motorcycle magazine, "MOTORRAD," the O'Neal SIERRA helmet was among the winners and received the "recommended purchase" award in the Adventure Enduro helmet category The shell is made of high quality ABS Multiple air vents for optimal ventilation and cooling Microlock closure Padded comfort lining, removable, absorbent, and washable Bluetooth ready with cavities for internal speakers and a rubber ring on