Noir Sunglasses - 32%, Medium Gray
[S0021]

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NoIR filters can help people minimize eye discomfort and maximize visual resolution. Filter shade number 21 - gray - is an medium filter which allows in only 32% of visible light, has 100% ultraviolet protection and is a general purpose filter for glare protection and enhanced visual acuity. It also features blue blocker protection. The standard fit-over style frame may be worn over most prescription frames or worn alone. 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.