Turn heads with our urban styled, Dual Certified Gotham helmet. It features the patented Conehead EPS liner, Triple Eight logo vents and a subtle brim. No other helmet comes close to the comfort, safety and good looks of the Gotham. PRODUCT DETAILS: Dual Certified: Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older and ASTM F-1492 Skate safety standards. ABS Outer Shell with patented Conehead EPS liner technology providing a lighter helmet with greater energy displacement on impact Complete with our renowned Sweatsaver™ Fit Pads for added comfort Adjustable Fit Dial System, with reflective dial, to create a custom fit Grooved EPS for excellent air flow Includes 2 sets of fit pads to customize fit To ensure a perfect fit, measure the circumference of your head starting in the middle of your forehead and match it with the sizes below: XS/S 20 - 21.25 in (51 – 54 cm)S/M 21 - 22.5 in (53 – 57 cm)L/XL 22.5 - 23.5 in (57 – 60 cm)XL/XXL 23.5 - 24.5 in (60 – 63 cm)