Value for money, is what you would say if someone has to sum up this helmet in a few words. But it has to be added here that quality standards have not been compromised in making this helmet a value for money product. This entry level Autofy O2 helmet features everything that is required for an idle helmet. Being IS:4151 certified, it serves all the major safety functions on and off the road. Polypropylene EPS inner lining works two ways both for comfort and safety by providing cushioning to the skull and adjacent areas. Apart from safety, utility too has been taken special care of. The features like retractable visor and venting system in the chin bar to prevents fog accumulation inside the visor make the helmet adaptable to a number of conditions. The vent can be opened and closed using the lever provided. This helmet is perfect for off-roading, mountain driving, high driving etc. This is a highly used product by bike enthusiasts, biker lovers and biker boys who love their bikes. It goes well with all kinds of motorcycles including, Royal Enfield Bullet Standard 350, Royal Enfield Bullet Standard 500, Royal Enfield Bullet Classic 350, Royal Enfield Bullet Classic 500, Royal Enfield Bullet Classic Desert Storm, Royal Enfield Bullet Electra, Royal Enfield Bullet Thunderbird 350, Royal Enfield Bullet Thunderbird 500, Avenger, Pulsar, Duke KTM, Harley Davidson, Yamaha FZ, R15, CBR, Ninja, Apache, Hayabusa and other bikes.