ON RUNNING women's vest is a versatile and ultralight layer that will work for any outdoor activity. Made of windproof, lightweight ripstop fabric with DWR waterproofing , which prevents the fabric from soaking. The technical, lightweight fibers efficiently wick away moisture and excess heat. The front is filled with a thin layer of synthetic insulation, the raw material of which is 100% recycled. Back with ventilation flap. Elastic edge trim for a better fit. The vest can be easily packed in a pocket. Women's On Running Weather Vest 1WD10571927-fade