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(TM) and C5 frame material and Unobtainium(R) 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(TM) Lens Technology provides the detail Fit & Design: Regular - High bridge fit Classic square lens shape 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(TM) 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(R) nosepads help provide retention with a no-slip grip and all-day comfort. Propionate temple tips provide additional retention and comfort Available with Prizm(TM) lenses that are designed to enhance color, contrast so you can see more detail Technology: Oakley lenses are designed and tested under extreme high mass and high velocity circumstances to ensure uncompromising protection across a wide range of demanding conditions Additional Details: