Nutcase - Metroride Bike Helmet, Fits Your Head, Suits Your Soul - Geared Up MULTIPLE OPTIONS TO ACHIEVE THE PERFECT FIT - The Metroride Helmet features an adjustable, removable spin dial strap for fine tuning your fit. It also includes three sets of pads - in 3mm, 6mm and 9mm thicknesses, that work together with the spin dial for a perfect fit. EASY-ON, EASY-OFF - Easy one-handed operation makes the Metroride Helmet a breeze to open and close, even with gloves. The magnetic buckle is extremely secure, and nearly indestructible - no more broken buckles and no more neck pinching! It also includes a soft chin pad for warmth and comfort. 360 DEGREE REFLECTIVITY AND DURABLE ABS SHELL - The Metroride Helmet offers 360 degree reflectivity from logos, straps and our spin dial that helps you be seen at night. The helmet also features a durable Polycarbonate In-mold Shell and protective Expanded Polystyrene EPS inner foam lining. COMFORT AND STYLE - The Metroride is light, breathable and compact with a classic inspiration and modern design. Look slick in a suit, or your everyday getup. It sports 6 massive vents that keep you cool as well as looking great. The included, detachable visor shades from sun and rain. MEETS FEDERAL CPSC STANDARD - The Metroride Helmet complies with U.S. CPSC 16 CFR 1203 Safety Standard for Bicycle Helmets for Persons Age 5 and Older.