Horseware Amigo 200g Medium Weight Walker Rug Black/Silver. Keep your horse warm whilst out walking with the Horseware Amigo 200g Medium Weight Walker Rug. Offering a waterproof and wind proof polyester outer with a soft polyester lining, the Walker Rug keeps your horse or pony nice, dry and comfortable whilst helping to buff the coat to give it a gorgeous shine. With 200g of fibrefill insulation to keep the working muscles warm, the Walker Rug in complete with a cutaway design to prevent any pressure on the shoulder area when exercising.