The Oakley Bisphaera Speed is designed for fast-paced performance, delivering a lightweight twin-lens setup with sharp optics and secure stability for sport and everyday training. Dual-lens design provides a balanced, sport-focused field of view with enhanced clarity Prizm(TM) lens technology boosts contrast and detail for better reading of terrain and conditions Lightweight O Matter(TM) frame delivers durability without added weight for all-day wear UnobtainiumA(R) nose pads and earsocks increase grip as sweat builds for a locked-in fit Optimized for speed and versatility across cycling, training, and multi-sport use