Waterproof Ripstop 17.06oz (5oogsm) canvas. Warm blanket lining, Ripstop polyester grids provide extra fabric strength, rope reinforced neckline on rug. This rug has been through a waxed waterproofing treatment process. Features 3 way chest fitting for versatile fitment, shoulder gussets, rump darts, Matte black chest buckles and plaited fittings, taffeta lined chest and tail flap, removable leg straps, fleece wither protector and D rings sewn on the side of the rug for east connection of hood or neck rug.