Water repellent treatment Powerlite fabric Elastane for stretch and recovery Bonidex drawcord waistband Expandable back zip security pocket Modern slim fit leg Reflective graphics Keep warm and dry when out on a run this winter with Trail All Terrain Running Tights from Ronhill. Crafted from Powerlite fabric, these tights have been treated to make them water repellent and their high content of elastane adds stretch for your workout and excellent fabric recovery. If you prefer training with the help of music, these running tights come complete with a zippered security pocket on the back to safely house your phone or mp3 player.