D has a new lightweight, full-face, enduro helmet called the Alterra.

Some have visors, some allow the rider to raise ... from solid, track-ready full-face helmets to open-face "brain buckets." ...

often with visors shielding your eyes from the sun. Retro helmets borrow style inspiration from the past but incorporate the latest safety tech available. Flip-front, urban or open-face helmets ...