http://www.motorcyclemaintenancetips.com/motorcyclehelmetchoices.php has some info on motorcycle helmets and how properly select the right one.
Custom Painted Red Bandana on Black Base Helmet
Star Carbon Motorcycle Helmet - Bell Helmets
Not McLaren, but Vettel has one of the coolest helmet designs of all time here.
Custom Painted Airbrushed Boba Fett Z1R Any size Helmet
Iron Man biker helmet
Cyborg metallic skull. Was sold a few years ago on a Korean website.
Maybe the cruisers would wave to me if I had this helmet!
Tie Fighter Pilot
redhood helmet 50 Coolest Motorcycle Helmets of 2014 <---it would be fun to cosplay as him. putting this here for future reference.
Stormtrooper Motorcycle Helmet-perfect for rides for ice cream with Dad!
Masei Matt Black Atomic-Man 610 Open Face Motorcycle HJC Icon Helmet #Maseihelmet