Propulse is the model specifically designed for running thanks to its ultralight wraparound geometry, the Propulse delivers a perfect and natural compression fit without any annoying pressure on the head. The end-result is an extremely comfortable and stable eyewear with its proprietary Hi-Grip integrated temple tips, massive vents on both front chassis, lenses and temples to efficiently prevent fogging. The wide lenses offer enhanced eye protection minimizing the risk of tearing all while offering a deep field of vision.