Oakley PARACORD RX Optical Frame combines lightweight O Matter construction with adjustable wire-core temples and Unobtainium nosepads for a secure, all-day fit. Designed for everyday wear, it balances comfort and reliable retention in varied conditions. Key attributes: Black | O Matter | Lightweight construction | Durable frame | No-slip grip when wet (Unobtainium) | Adjustable gooseneck nosepads | Wire core temples for customizable fit | Unobtainium earsocks | Metal hinges | Full-rim frame | Dimensions & fit: Lens width: 53 mm, 55 mm | Bridge: 17 mm | Temple length: 137 mm | Lens height: 42.0 mm, 44.0 mm | Frame width: 131 mm (M), 135 mm (L) | Regular fit | Low bridge fit | Composition & care: O Matter frame | Wire core temples | Unobtainium nosepads and earsocks | Metal hinges