S 650 Helmets

S 650 HELMETSShell made from injected thermoplastic resin Multi-element, internal polystyrene shock absorber with differentiated density and air circulation using multiple channels Anti-scratch 2.2mm visor Shark's patented "Slide Lock" visor quick-release system Multi-point air intake and "Venturi" deflector ventilation Interior in micro fiber fabric External anti-UV lacquer finish Meet or exceed D.O.T. and ECE 22-05 standards Flowing lines, economical, comfortable, safe: so many plus factors that will make the S 650 the best value for the money. HELMET SIZING CHART ADULT SIZE INCHES XSMALL 21 1/4" SMALL22" MEDIUM 22 7/8" LARGE 23 5/8" XLARGE 24 3/8" XXLARGE 24 3/4" YOUTH SIZE INCHES YOUTH SMALL 19 3/4" YOUTH MEDIUM20 1/2" YOUTH LARGE 21 1/4"