Oakley HSTN sunglasses are here to elevate your style and performance. With a matte balsam round frame crafted from O Matter™ material, they offer durability and comfort all day long. Designed with Prizm™ snow sapphire lenses that provide optimal contrast and visibility in changing light conditions, these shades will keep you ready for anything the mountain throws at you. Elevated by their round shape, these sunglasses feature an iconic design that is sure to turn heads on the slopes as well as in town.