Nike Dri-FIT ADV Techknit UltraMen's Running TankVENTILATION FOR THE EXCEPTIONAL RUNNER.Built for the ultimate in performance and breathability, the Nike Techknit Ultra Tank was created using runner-informed data. It delivers a soft, smooth feel in a silhouette made to help keep you cool for miles. This product is made with 100% recycled polyester fibers.Targeted PerformanceNike Dri-FIT ADV technology combines moisture-wicking fabric with advanced engineering and features to help you stay dry and comfortable. It was designed with reduced seams so you can move freely as you push towards your personal best.Ultimate BreathabilityOpen-hole knit fabric uses data from hundreds of runners. It's placed in high-heat zones at the chest and upper back to help keep you cool on your run. The body-mapped knit has a soft and smooth feel for comfort.Iconic DesignThe tank's knit structure forms the iconic Nike chevron at the front, nodding to the look of the Windrunner. More Details Reflective elements