Oakley Hydra Sunglasses Size:Prizm Black Emergency whistle is pea-less for

Emergency whistle is pea-less for reliability and reaches 100-decibels to signal for assistance

Made from ultra-lightweight stainless steel cable

Connecting Link: CL559 (Non-reusable)

•Chain Compatibility: All 9 speed chains

Oakley Hydra Sunglasses Size:Prizm Black Emergency whistle is pea-less forOakley 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. Features: DESIGN Razor Blade