• DESIGN: Dual, square-shape lens design• FRAME MATERIAL: Durable, lightweight O Matter™ frame material• Unobtainium® sport ligature nosepad designed to reduce bobbing bouncing with no-slip grip• NO-SLIP GRIP: Unobtainium® earsocks provide no-slip grip when wet to help increase retention• SEE MORE DETAIL: Prizm™ Lens Technology engineered to enhance color and contrast to see more detail• PRESCRIPTION READY - Available with Oakley Authentic Prescription lenses that come laser etched with the ellipse logo on left wearing lens for proof of Oakley authenticity and quality