Nike womens shield flash running jackethead out in the lightweight coverage of our nike womens shield flash running jacket its runner specific design features a media pocket back vent and a fitted hood that stays in place while allowing for visibility as you speed along your route featuresmaterial 100 polyesterreflective print enhances visibility in low light conditionsback vent enhances airflow as you runfold over elastic at the cuffs for a snug secure fit while runningrunner specific h