Running in the cold and rain never felt so good. This jacket has water-repellent fabric in areas most exposed to the elements, and stretchy Tech Fleece fabric where you need to move. Bonus: the fleece is water-repellent too. DWR-treated fabric is water-repellent water-repellent tech fleece fabric This warm and stretchy fabric retains heat during cold-weather runs and gives you freedom of movement. It's DWR-treated to help keep you dry. water-repellent four-way stretch warm breathable lightweight insulation A Synthetic insulation helps retain heat. Designed for: Training Secure storage: Secure pockets for your essentials and a media pocket that lets you keep your tunes close Relaxed fit, hip length: Layers easily and gives you room to breathe Removable dickie: Removable Fleece fabric dickie Secured pockets: Secure your stuff in the exterior zippered pocket Shine-bright : Reflective detail helps keep you on the radar in low light