Waterproof ripstop 22.5oz (640gsm) canvas, warm superior quality blanket lining, ripstop polyester grids provide extra fabric strength, rope reinforced neckline on rug , BARTACK reinforced stitching to all pressure points. 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 plated fittings, taffeta chest and tail flap, removable leg straps, fleece wither protector and D rings sewn onto outside of rug for east hood and neck rug connection.