S1 lifer helmets including visorno doubt you39re already familiar with the lifer helmet brought to you by s1 and now they39ve taken their product development one step further and listened to the battle cries of skaters from all disciplines across the globe and are bringing to you the s1 lifer helmet including visorbuilding on the success of the standard lifer helmet s1 wanted to give their lifer helmet including visor the versatility to be used with or without the visor at the whim of th