LIGHTWEIGHT AND BREATHABLE. The extremely lightweight and well ventilated Nike Infinite Top is perfect for training. The mesh material provides fresh air, while the comfortable design allows natural mobility when running. Ventilated wearing comfort Mesh on sides and sleeves provides good ventilation and keeps cool. A perforated Just Do it graphic can be seen on the back. Safe feeling The narrow fit, ribbed hem and cuffs prevent the top from slipping. Freedom to sweat Dri-FIT technology wicks sweat away from the skin so you stay comfortable and focused.