For dogs with thin coats or treks into bone-chilling terrain, the Ruffwear Climate Change Dog Fleece Jacket. This streamlined canine coat features Polartec fleece thatAAAs 87% recycled, dries quickly, and keeps your dog toasty on even the coldest winter outings. A side zipper makes for easy on and off, while reflective piping helps your pooch stay visible around town.