ZAMP SF-4 HELMETS

Adjustable scalp ventilation 3-snap visor Plush interior D-ring fastening No logo on the helmets Lightweight fiberglass shell Meet or exceed D.O.T. specifications HELMET SIZING CHART ADULT SIZE INCH'S XSMALL 21 1/4" SMALL 22" MEDIUM 22 7/8" LARGE 23 5/8" XLARGE 24 3/8" XXLARGE 24 3/4" YOUTH SIZE INCH'S YOUTH SMALL 19 3/4" YOUTH MEDIUM 20 1/2" YOUTH LARGE 21 1/4"