The semi-rimless design and shield lens of the Hydra Black Ink Prizm Black Sunglasses offer a wide and uninterrupted view, perfect for seeing your way through any challenge. The Oakley B1B logo on the temples combines with the trigger stem design, invoking the surf vibe of the original 1980s Razor Blades. Whether it's a day at the beach, sunny trail run, sun-dappled bike ride or, in fact, almost any sport in bright light, the Prizm™ lens technology gives you a level of clarity that is unrivalled. Enhancing contrast and colour, you'll always see clearly what's ahead. The plant-based BiO-Matter™ frame makes them friendlier to the environment while the 3-Point Fit provides an always secure, always balanced and always all-day comfortable fit. Prizm™ Black Lens Light Transmission: 11% Light Conditions: Bright light Contrast: Increased Base Lens Colour: Grey Category: 3 Oakley’s Prizm™ Black Lens enhances your vision, boosting colours and contrasts, allowing you to see in incredible detail.