· Lightweight bike helmet that' s ideal for casual or technical use

· In-mold construction fuses outer shell with impact-absorbing EPS liner

· 20 built-in vents thrust cool air over and around rider' s head

· Includes snap-fit visor; Acu Dial fit system for easy 1-hand adjustment

· Adjusts between 21.25 and 24 inches; weighs 0.62 pounds