Andy Bohlmann, director of technical services for the cycling federation, said recently that the new lightweight helmets have advanced bicycling technology "significantly."

The lightweight black helmets covered their faces except for the eyes.

Like Himmel most wore lightweight helmets, shirts, shorts and lifejackets.

There are traditional plastic-shelled helmets, lightweight helmets without shells and hybrid helmets with ultra-thin plastic skins.

That afternoon I bought a new helmet, lightweight and comfortable.

The Pith helmet is a lightweight helmet made of cork or pith, with a cloth cover, designed to shade the wearer's head from the sun.

There was also a lightweight helmet, which he felt too self-conscious to put on before getting into the Sanger.

Attached to the suit was a lightweight helmet made out of a more rigid form of the same stuff.

The lightweight helmet is the U.S. Marine Corps replacement for the PASGT combat helmet.

They donned their lightweight helmets and Velcro-strapped them into place, then their headlamps.