The Oakley HSTN Prizm Tungsten Polarized adult sunglasses are the evolution of the original sunglasses, first introduced by Oakley in 2021. The HSTN feature the same progressive design and heritage features as the original, including striking modernized circular lenses and a modernized trigger stem. The frame features plant-based BiO-Matter® material that helps provide the same all-day comfort Oakley has long been known for, alongside Unobtainium® nose pads for unparalleled comfort and improved grip. Also, for enhanced colour and contrast everywhere you go, Prizm™ lens technology provides the details.