Our journalist—and three-time marathoner—did the hard work of finding the lightweight, breathable caps every runner needs.

4. TRUE FIT (IMPERIAL) The traditional “dad hat” combo of lightweight breathable fabric and soft structured profile make this a top seller. 5. TACTICAL TRUCKER (RICHARDSON SPORTS A nod to ...

This hat will keep your head cool and dry if you’re a dedicated runner gearing up for summer. It protects your head from sun and rain, and is made of breathable, sweat-wicking fabric.