Never been worn. Running in the cold never felt so good. This jacket has windproof, water-repellent fabric in the areas most exposed to the elements, and stretchy Tech Fleece fabric where you need to move. Bonus: the fleece is water-repellent too. Glyde fabric is windproof Glyde fabric is water-repellent Designed for: On the Move Primaloft® insulation: PrimaLoft® insulation is warm, even when wet Removable dickie: Remove the dickie when the weather gets warmer Storage: Zippered pockets with a hidden phone pocket Shine-bright : Reflective detail helps keep you on the radar in low light