Horseware Rambo Grand Prix Competition Sheet If you want a fabulous, luxurious competition sheet for your horse, then the Rambo(R) Grand Prix Competition Sheet is the optimum choice! This product uses highly technical double bonded fleece material to create a cozy waterproof blanket that coordinates with the Grand Prix range. A perfect mix of quality and style. Item Specifications: Colors: Navy/Beige Black/Tan Horses Turned Outside without Shelter Turnout Sheet and Blanket materials are waterproof and designed to keep your horse dry, however if your horse is turned out in a field without a run in shed or shelter during prolonged rain or heavy downpours your horse may still get wet especially in the neck and tail areas.