Nike Pro Hypercool Men's 3/4 Training Tights Dri-FIT 91% polyester/9% spandex Imported Ultralight Dri-FIT fabric helps you stay dry and comfortable Mesh panels in high-heat areas enhance airflow where you need it most The tights' compression fit provides a locked-in feel while allowing natural range of motion Flat seams move smoothly against your skin Elastic waistband provides a snug, comfortable fit