These fleece lined leggings are constructed with premium soft brushed fleece and X-Dri/X-heat technology to manage warmth and moisture. Stretchy materials for unrestricted movement and cozy materials make these leggings a wardrobe necessity. Zippers at the ankles allow for ventilation and temperature control. A small pocket in the waistband for hiding your key. Side tech pockets are great for storing your phone or other small items for a distraction free workout. You'll want to run in these on chilly Fall days.