Made with breathable polyester mesh, these shorts keep you cool on the hottest days. They have a dedicated key pocket as well as a slight split, which allows for ample movement when you run.

Despite its lightness, polyester is actually a pretty great insulator, which is why many brands use it in cold-weather workout clothes in addition to tanks, tees and shorts.

Quality workout shorts are a fitness essential. Here, we've highlighted 16 high-performing shorts from brands like Nike, Rhone, and more.

The Asudesire Mesh Athletic Shorts 5-Pack is 44% off at Walmart. ... They’re made with performance-knit fabric and plenty of polyester so that they dry quickly while granting you maximum mobility.