NIKE Tech Men's Running Tights 92% Polyester/8% Spandex Importado Machine Washable The Nike Tech Men's Running Tights help keep you comfortable over any distance with a tight, supportive fit and sweat-wicking fabric. Dri-FIT jersey fabric helps you dry and comfortable by wicking sweat away to the fabric's surface, where it quickly evaporates The snug, supportive fit reduces bulk for great range of motion and less distractions as you run. A zippered pocket on the center-back helps keep your small items secure. Reflective elements for enhanced visibility in low light. UPF 40+ Protection from the sun. Mesh back of knee insets for enhanced breathability. Elastic waistband with internal drawcord for a personalized fit. Zippers at leg openings for easy on and off over shoes.