Oakley® taps into its surfing heritage with Hydra, a Razor Blades-inspired, semi-rimless sunglass with a shield lens. Featuring the Oakley B1B logo on the temples, Hydra is accentuated by a modern trigger stem design, reminiscent of Razor Blades´ origins in surf culture. A plant-based BiO-Matter®* frame and three-point fit helps provide balanced fit and comfort while Prizm™ Lens Technology enhances color and contrast. BiO-Matter is made from bio-materials having at least 56% bio-based carbon content (representing ratio of castor oil to fossil sources)Features:- Design - Razor Blade inspired, semi-rimless cylindrical lens shape- Frame Material - Lightweight, durable BiO-Matter® frame with tuned flex for balanced fit, comfort, and head retention.- All Day Comfort - 3 point fit with Razor blade inspired stem design- High Bridge Fit: Offers a more secure and comfortable fit for those with a high nose bridge and lower cheekbones. A good choice if the bridge of your nose is above the level of your pupils.Specifications:- Lens Height: 52.7 mm- Frame Width: 122 mm- Arm Length: 140 mm- Light Transmission: 11%- Light Conditions: Bright LightTechnology:- Impact Protection: Oakley lenses are designed and tested under extreme high mass and high velocity circumstances to ensure uncompromising protection across a wide range of demanding conditions.