Size: L (135mm)It’s always sunny when you’re wearing Sielo SQ. The sporty Sielo SQ features a classic square lens shape constructed from lightweight BiO-MatterT and C5 frame material and Unobtainium nosepads for a no-slip grip. Soft touch earsocks and a three-point fit ensure comfort, whether you’re gearing up for the hiking trail or busiest day of your week. For enhanced color and contrast everywhere you go, PrizmT Lens Technology provides the details.