Uvex 9301-318 ultravision face shield offers additional protection to the lower face, but should not be used as a replacement for full face protective shield. Four position/steps flip-up function without protection being compromised. Allows the wearer to hydrate (drink), communicate without removing their face & eye protection. Clear for easy & safe communication. Indirect ventilation system for splash proof. Well designed, with large air volume for heat management and extra comfort.