the new Mach X is supercharged with a layer of PEBA foam that’s 34% more resilient than the Carbon X3 foam

Strategic body-mapped fabric also provides targeted ventilation in key heat zones

Strengthen Your Motion

less weight

Nike Running Division offers the features you need to navigate the concrete

Men's Nike Aeroswift Short 4in (2) Brand_Altra the new Mach X isStay focused on beating your personal best time during your next race in the Nike Men's AeroSwift 4" Running Shorts. Featuring innovative AeroSwift technology, you will experience a lightweight, precision fit to offer excellent mobility and comfort. Designed with a Flyvent waistband to provide a cooling effect and a split hem for zero distractions, the Men's AeroSwift 4" Running Shorts are an excellent choice for avid runners. Nike Dri FIT ADV