Bern 2012 Brentwood Helmet with Visor
The Brentwood uses a unique foam called Zipmold that has a higher strength to weight ratio than traditional EPS hard foams, allowing it to be thinner and lighter, while still hitting the Certifications for Head Protection.  The result is the lid fits super low profile and sinks down on your head unlike other helmets that bring out the hugeness in your melon.