Photochromic Lenses: The Smart Way to Handle South African Winter Light
Here's something most weekend warriors get wrong: winter is not the season to leave your sunglasses at home. On the Highveld, sitting at 1,200 to 1,800 metres above sea level, UV intensity climbs by roughly 10% for every 1,000 metres you go up.
CR39 lenses vs Polycarbonate vs Glass
Three lens materials dominate the market. CR-39, polycarbonate, and glass. Each has a clear purpose. Each has trade-offs.


















