Gatsby (R) 600D Ripstop Waterproof Dog Blanket From the original Gatsby Quality Products. Introducing a new line of 600 denier ripstop waterproof poly outer shell with 200 gram poly fill. Features: Breathable 210D lining Double buckle front Adjustable belly-wrap with quick-grip closures Cut out for tail Shoulder gussets allow freedom of movement Gatsby(R) Your Horse, Our Purpose. Founded in 1979, Gatsby(R) is one of the industry's most recognizable and credible equestrian brands. They are founded on the belief that the more time you spend with your horse, the better - that's why the products designed by Gatsby(R) make sense for the barn and for your budget.