Vigor Helmets Fast Traxx 24 Vent CPSC Certified Performance Helmet Multi-Purpose Cycling Helmet featuring in-line molded shell with E.P.S Shock Absorbing Liner Cutting Edge design with 24 Air Vents for ultimate head cooling capability Easy Squeeze Clamp Retention System and Side Strap Adjusters for comfort adjustment Snap on front visor is removable C.P.S.C. and C.E. Certified unlike other inexpensive bike helmets