Oakley Sielo Matte Black w/ Prizm Grey Polarized

•The mixed material frame and seamlessly integrated performance features help cross this style from activities to daily life
•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)
• The Unobtainium® nosepads help provide retention with a no-slip grip and all-day comfort. Propionate temple tips provide additional retention and comfort