FIT: Oakley's proprietary 360° fit system features a height-adjustable strap for a comfortable, personalized fit. A rubberized micro-adjustment dial secures the fit and an extra-wide temple increases the stability of the system COMFORT: Textile padding provides additional touch points to increase overall comfort and is machine washable. The silicone gel sweat guard helps to absorb and wick sweat from the forehead to prevent the goggles from leaving streaks GOGGLE COMPATIBILITY: The shell shape is designed for easy compatibility with sunglasses and prescription eyewear VENTILATION: Large ventilation openings on the front, top and back of the helmet ensure optimum breathability for all-day rides