Derby Originals Deluxe Series 600D Ripstop Waterproof Medium Weight Winter Turnout Horse Blanket Outer shell features waterproof 600 Denier Nylon with rip stop technology.Measure from the center of the horse's chest to the tail. This will provide the size measurement needed. Inner lining features 210 breathable, durable nylon. Medium weight turnout blanket (250 grams polyfil)- available in horse and pony sizes! Front gussets for increased movability Features double front buckles, adjustable leg straps, low cross surcingle and a tail cover