UOM: Each Description: Silium is a comfortable and ultra lightweight polycarbonate model. Silium is an excellent choice, combining style, ergonomics and performances for extended use.* Ultra lightweight frame* Platinum coating* Non-slip bridge* Straight, highly flexible ergonomic temples* All-round vision* Anti-scratch/Anti-fogLens marking: 5-1.4 1 FT KN CEFrame Marking: EN166 FT CE* Supplied with a microfibre pouch