This mid-layer offers just the right amount of features and comfort

• Flexible O Matter® chassis conforms to your face comfortably

RDS-certified down

without too many frills

perfect for any summer outdoor activity

oakley hstn sq matte rootbeer frame prizm tungsten lens ZFHS107 This mid-layer offers just theSubtle doesnt have to mean boring. A squared off silhouette with modular color play sharpens the original HSTN attitude, while premium metal details keep the look elevated. FEATURES O Matter Frame: Oakleys injection molded thermoplastic frame material provides improved strength and flexibility over traditional acetate, and is built to withstand from shifting or deforming over time Unobtainium Nosepads: Unobtanium is the first innovative material