The OO9229 Oakley Hydra merges surf chic into high performance eyewear. It provides a semi-rimless, shield-type lens for maximum visibility and no obstruction. BiO-Matter® makes the frame - a plant-based material with tuned flex that offers breadth, durability, and comfort. Using a three-point fit system and bold trigger-stem temples, it hugs your face securely, while Prizm™ lens technology enhances contrast and color to make the world look sharper.