Dri-FIT technology Compression fit Mesh fabric for ventilation Constructed in a compression fit for a locked-in feel as you move, the Nike Pro Cool Compression Top is the perfect base layer for any workout. Crafted from stretchy Dri-FIT fabric that wicks sweat away from the skin to keep you dry and comfortable. The back mesh panel is designed for optimum ventilation to keep you cooler so you can focus on training.