evo.com | Oakley Sunglasses > The Oakley Sielo Sunglasses feature a mixed material frame that's part metal, part BiO-Matter(R), and part good looks. Designed to be comfortable and fit your face, these modern sunnies have enhanced contrast thanks to their Prizm(TM) Lens technology. From the beach to the mountains, the impact-resistant Sielo has the power to make your day great. Unobtainium(R) Nosepads Hydrophilic nosepads ensure a snug secure fit when you sweat or get wet. BiO-Matter(R) Frame BiO-Matter provides lightweight comfort and durability, and is made from bio-materials having at least 56% bio-based carbon content. Polarized(R) Lens [Select Colorways] Improving safety, comfort and performance, Oakley HDPolarized lenses filter out 99% of reflected glare without the haze and optical distortion that can come with polarized lenses made with conventional manufacturing techniques. This product may contain chemicals known to the State of California to cause cancer, or birth defects, or other reproductive harm. Impact Protection Oakley lenses are designed and tested under extreme high mass and high velocity circumstances to ensure uncompromising protection across a wide range of demanding conditions. | Oakley Sielo Sunglasses 2025 in Purple