Whether you're riding down city streets or the bike path, the easy to adjust Bell Indy bike helmet offers effortless style while keeping you both comfortable and safe. Fusion in mold construction bonds the outer microshell to its EPS foam layer to create a sturdier, more solid helmet. Ergo Dial fit system lets you easily adjust the fit with one hand. 15 vents provide excellent airflow to keep your head cool and comfortable. Cam lock strap levers make strap adjustments super easy: just open the cam, find a comfortable position, and close the lever again. Blade visor is detachable. Reflective decals enhance lowlight visibility. Weighs 11.5 oz.. Universal adult fit 54 61 cm.