Sporty shape offers aggressive styling. True Fit system helps to ensure a correct fit. 10 top vents and 3 rear vents make for a cool ride. Visor offers protection from the sun and elements. Pinch guard buckle for no-pinch buckling. Complies with CPSC (Consumer Product Safety Commission) standards. Fits head sizes: 20-1/2" to 21-1/4". Helmet design may vary.