With a name like Mach 2, it's easy to tell this shoe is meant for runners who prioritize speed. So, whether you're looking to beat your previous time records or run laps around your rivals, this could be the shoe for you. It offers responsive and comfortable cushioning in an 8-ounce structure. Perforations across the shoe lead to a good amount of breathability. The brand's early-stage Meta-Rocker allows you to quickly and smoothly transition to your forefoot as you run.