Vigor Helmets Atomic 16 Vent Performance Helmet, Red/Silver, Medium Multi-Purpose Cycling Helmet featuring in-line molded shell with E.P.S Shock Absorbing Liner Cutting Edge design with 16 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