NoIR 77% Yellow Fitover Sunglasses Medium U50

NoIR filters can help people minimize eye discomfort and maximize visual resolution. Filter shade number 57 - yellow - provides 100% ultraviolet protection. These sunglasses allow in 77% of visible light which heightens contrast and maximizes brightness. These also feature blue blocker protection. Filter 57 replaces filter 50 which had provided 87% VLT.  

This standard (medium) fit-over style frame may be worn over most prescription frames or worn alone. The entire body of these fit-over sunglasses are made out of this same filter color. It features side shields with temple lapped construction to keep out extraneous light and wind and it has curved temple pieces for a non-slip fit.

Standard (medium) size (#U) measures 145mm  W x 145mm L x 54mm H (5.71" x 5.71" x 2.13").