Don’t let hot and humid days stop you from running—the Brooks Atmosphere Top will keep you cool and comfortable all summer long. The Atmosphere Top is a short sleeve running top that you can barely feel with bonded seams and minimal finishes. This ultralight shirt has Brooks’ new technical DriLayer® fabric that is designed to minimize sweat and dry quickly. Plus, there is an antimicrobial finish that keeps the top smelling fresh between washes. This running shirt is sustainably made with 100% recycled materials to reduce the environmental impact. Each top is made with recycled fabric equal to 13 plastic water bottles. The light and airy Brook Atmosphere Top will keep you running distraction-free when the sun is beating down. Looking for other summer gear? Check out our hot weather running apparel guide.