Eastbay 2" Running Shorts - Men's Start setting personal records in the Eastbay 2" Running Short. This short has mesh insets for great breathability, and EVAPORô inside liner to wick away moisture to keep you fresh during your run. A split leg, bar tack above speed vent creates added durability. Inner drawcord. Body and yoke: 100% polyester tricot mesh. Lining: 100% polyester. Imported.