evo.com | Oakley Sunglasses > The Oakley HSTN SQ Sunglasses sharpen the original HSTN's attitude with a squared-off lens shape and premium metal accents layered over a durable O Matter(TM) frame. Unobtainium(R) nose pads keep the fit secure whether you're sweating or just squinting into the sun. This product may contain chemicals known to the State of California to cause cancer, or birth defects, or other reproductive harm. O Matter(R) Frame Durability and all-day comfort are now available with the lightweight, stress-resistant O Matter(R) frame material. Comfort and performance of a Three-Point Fit holds lenses in precise optical alignment. Prizm(TM) Lens A revolutionary lens technology that fine-tunes vision for specific sports and environments. Prizm(TM) lenses enhance contrast to better let you see obstacles like rocks and potholes before they reach out and bite you. No-Slip Grip Unobtainium(R) earsocks and nosepads help provide sport level retention with a no-slip grip and all-day comfort. Regular Fit A large lens front designed to fit those with an average-sized head. | Oakley Terraforma Sunglasses 2026 in Grey