Red and Navy Rugby Dog Sweater by Chilly Dog.  Keep your dog warm with a thick wool dog sweater.   Chilly Dog Cable Knit dog sweaters are made following Fair Trade guidelines. All sweaters are handmade & may vary slightly in color & style.  100% wool made in the Northern Highlands of South America by descendants of the Inca Indians. The Incas have handed down the craft of knitting through many generations.