This is a Derby Originals blanket that has been a Best Seller for the last 14 years! This winter turnout or stable blanket is waterproof and breathable. Constructed of heavy duty 600 denier nylon with rip-stop weaving and no back seam. The outer shell is coated in waterproof Teflon and 300 grams of poly fill insulation for added warmth in extreme cold. The inner shell is made of a breathable 190 denier nylon for durability, breathability, and moisture-wicking. Also features adjustable leg straps and tail cover.