Any helmet is still better than no helmet, but at least one World War I-era brain bucket designed by France is better than your modern design in protecting against overhead blasts.
D3O just announced a new partnership with RRDS which will allow end-users in North America to purchase D3O protective defense products directly from RRDS.
D3O, the world’s number one impact protection company, has just launched its most lightweight helmet pad system for law enforcement and military applications, D3O TRUST NimbusTM.