Whoa! You can't beat this price! 

The layers of the system consist of Kensington's signature Protective Sheet,
manufactured of 1000 x 2000 Denier Textilene®, specially formulated to
withstand fading, fire, mildew, soiling and wear and tear. The Textilene
Mesh even holds snow out and away from the outer shell of the other
layers, keeping your horse comfortable and dry. The 2nd layer includes a
600 denier rip-stop, waterproof, highly breathable Lami-Cell® outer
shell, with a specially formulated CoolPlus® liner that wicks away
moisture. The 3rd layer consists of a reversible quilted blanket which
includes a 120 grams of hollow fiberfill insulation; one side of the
liner offers a 70 denier nylon liner, while the other side consists of a 12oz. pre-shrunk poly cotton lining. This layer gives your horse extra needed warmth.