Oakley - Leffingwell (Black Ink | Prizm Grey) – Good See Co。It’s always sunny when you’re wearing Sielo SQ. The sporty Sielo SQ features a classic square lens shape constructed from lightweight BiO-Matter™ 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, Prizm™ Lens Technology provides the details. • WHEREVER YOU GO - The mixed material frame and seamlessly integrated performance features help cross this style from activities to daily life • LIGHTWEIGHT AND DURABLE - The BiO-Matter™ frame front and ultra-lightweight, C-5 metal temples provide durability and all-day comfort. BiO-Matter is made from bio-materials having at least 56% bio-based carbon content (representing ratio of castor oil to fossil sources) • NO-SLIP GRIP - The Unobtainium® nosepads help provide retention with a no-slip grip and all-day comfort. Propionate temple tips provide additional retention and comfort • SEE MORE DETAILS - Available with Prizm™ lenses that are designed to enhance color, contrast so you can see more detail