Enjoy your daily run with the Nike Dri-FIT Miler top. This lightweight design offers freedom of movement ideal for beginning runners. This product is made with at least 50% recycled polyester fiber. The all-new corrugated yarn material allows air to circulate for maximum coolness. The soft feel reduces the risk of irritation during your runs. Shoulder seams are rolled back for greater freedom of movement in the arms. The curved hem improves back protection, and its slits let you move freely. Dri-FIT technology keeps you dry and focused, while providing maximum comfort.