For the coldest days, the StormCheeta is the ultimate in equine protection. The blanket has a ShireTex 2000 denier ballistic outer which is waterproof,breathable. It also has: 400g polyfill insulation, easily adjustable breast straps, shoulder gussets, cross surcingles, leg straps, a tail flap,,no back seam. If you are worried about your horse getting cold this winter, this blanket is an essential,you can be sure that it will keep him warm, comfortable,dry. Perfect for clipped or more sensitive horses,ponies.