Beat the heat with this limited edition hydra. Available exclusively at oakley. Com and at oakley stores while supplies last. 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.