MET Parachute Bike Helmet Exclusive HES construction spreads most of the pressure built up by compression at impact point and dissipates the force of impact over whole shell Gel padding keeps head cool, comfortable, and helmet dries quickly Ultralight 360 degree retention system provides optimal fit and distributes pressure homogenously Heavy duty strap with double D buckle making it secure yet easy to adjust Other features include multi position visor, two sets of cheek pads, and sport camera mount