Giro Flak

Details
Giro's Flak is a no-nonsense skate-style helmet that offers full protection on the bike. It provides great coverage, doesn't get in your way and features street-tough good looks. The high-impact ABS shell is the insurance you need for tricks, tough trails and dirt jumping. Plus, 13 vents keep you cool on hot days.
Small 20”-21.75” / 51-55 cm
Medium 21.75”-23.25” / 55-59 cm
Large 23.25”-24.75” / 59-63 cm