EMS Mens Core Run Tights are sure to cover all of your active needs, year round. These tights make an excellent cold weather layering piece, but can also stand alone in warmer temperatures. The zippered ankles allow easy onoff access, and the flatlock seams provide chafe less comfort. 92% polyester 8% spandex for a touch of stretch. TechwickAR moisture management technology. Anti microbial properties allow multiple odorless uses between washes. Comfortable elastic waistband with internal drawstring. Zippered ankles for easy onoff action. Reflective tape for improved night time visibility.