Consider the Sphaera Slash glasses your permission to exceed any limit. The result of decades of research with athletes, Sphaera Slash has been designed with an alternative form of the "slash" lens to help reduce the impact with cheeks and optimize sporting performance through a large visual field and a light frame in or Matter. The front air intake on the frame provides improved air flow while the noselli in Unabtainium® and the printed ear terminals offer a non -slip socket for effortless use with hats and helmets. To experience improved colors and contrasts wherever you go, the technology of the Prizm lenses provides details.