Translucent Shardplate

“Hold back, Your Majesty,” Dalinar called, riding past. “Wait until Adolin and I weaken it.” Dalinar reached up, slamming down his own visor. The sides misted, locking it into place, and the sides of the helm became translucent to him. You still needed the eye slit—looking through the sides was like looking through dirty glass—but the translucence was one of the most wonderful parts of Shardplate.

The Way of Kings Chapter 13