Nike NFL Sideline Hypercool Short-Sleeve Top - Men's Dominate game-day in the Nike NFL Sideline Hyper Cool Top. Nike Hyper Cool tops are designed with a mesh back and shoulders, with added insets on back to allow the body to move easily and vent heat. Dri-FITŪ construction with team word mark at the center chest offers the unique combination of team pride and high-performing fabric. Strategically bonded high-heat zones for breathability and ventilation are color blocked. Ergonomic seaming maps the natural contours of the body for reduced areas of irritation. The Swoosh design trademark and NFL shield shows that you're in the official licensed apparel of the NFL. So whether you're repping hard or working hard, do it in dominating fashion in the Nike NFL Sideline Hyper Cool Top. Body: Dri-FIT 170g. 84% polyester/16% spandex plain jersey. Back Body: Dri-FIT 175g 94% polyester/6% spandex circular knit mesh. Pod/gusset: Dri-FIT 115g 100% polyester warp knit mesh. Imported.