The Peak Performance Path Shirt breathes well and dries quickly when you"re pounding out miles on the trail or just running to the corner store for more ice for a summer BBQ. Air will flow through the ventilated mesh sides when the summer sun heats up the world around you. A Polygiene treatment provides a bit of odor control so you"re not all stinky after activity. Product FeaturesMaterial: nylonFit: regularLength: Center Back Length: Pockets: 1 chest, 1 zippered chestThumbholes: UPF Rating: Antimicrobial: yes, PolygieneWeight: Recommended Use: hiking, trekking, casualManufacturer Warranty: 30 days