The lightweight HeatGear® fabric provides excellent coverage without adding weight. The stretchy waistband pocket in the centre back is waterproof, for safe and secure storage of your smartphone. The material wicks away sweat and dries very quickly. The 4-way stretch fabric ensures greater freedom of movement in all directions. Framed elasticated waistband with drawcord inside. Zips around the ankles for easy on and offThe particularly lightweight HeatGear® fabric offers excellent coverage without extra weightThe stretchy waistband pocket at the centre back is waterproof, for safe and secure storage of your smartphone