The parkrun insulated padded jacket is made from a polyester filling and has a DWR (durable water repellent) coating to help keep you dry and warm during the cooler months.  The arm sleeves have inner cuffs with thumbholes for added protection against the elements.  There are two zipped hand pockets to store your essentials safely.  In buying this product, you will be helping keep parkrun free for everybody, forever.