Oakley Hydra Black Ink Prizm 24K Batteries & Chargers square lens shape infused with

square lens shape infused with design inspiration taken from the craftsmanship and finishes of surfboards and the lifestyle around surfing

36V Integrated Lithium-Ion

tooth profile and shift ramp design for quick and positive index shifting

Battery life: at least 50 hours

thanks to smart foot pedal tilt

Oakley Hydra Black Ink Prizm 24K Batteries & Chargers square lens shape infused withOakley Hydra is a Semi Rimless frame which is made of O Matter Oakley's O Matter is a light weight, durable material designed with a degree of flexibility to absorb impact. This model features a Wrap Around shape, with a Single Bridge.