Nike Men's Dri-Fit Element 1/2- Zip Trail Running Top black outdoor workout XL Gently used condition Designed with the rigors of an off-road run in mind, the Nike Dri-FIT Element Top keeps you going through dusty trails and mountainous terrain. With smooth warmth at the front and breathable stretch at the back, the top keeps you in the right state as you travel to new frontiers. This product is made with at least 75% recycled polyester fibers.