Model [ NK10327715]Nike Power Essential Men's Running Tights BlackPerformance Comfort And Targeted BreathabilityThe Nike Power Essential Men's Running Tights are made with sweat-wicking stretch fabric to help keep you dry and mesh panels for enhanced ventilation during your run. BenefitsDri-FIT fabric helps keep you dry and comfortable. Elastic waist with interior drawcord for a snug, adjustable fit. Mesh back knee panels for targeted breathability. Flat seams help minimize chafing. Zip vents at hem for easy on-and-off. Zip pocket at back waist Product DetailsContrast side panels. Fabric: Body: Dri-FIT 92% polyester/8% spandex. Back knee panels: Dri-FIT 80% recycled polyester/20% spandex. Machine wash.