STAY-COOL WICKING PERFORATED & ULTRABREATHABLE STRETCH. FLATLOCK SEAMS FOR COMFORT. 8.2-ounce, 88/12 poly/spandex with stay-cool wicking technology. OGIO heat transfer label for tag-free comfort. Self-fabric waistband with hidden pocket. Iridescent silicone O on front left hip. Ventilating perforation on lower legs. OGIO Endurance vertical bar heat transfer on back right calf. 7/8" length.