The New Shammy cool will keep your dog cool all day long!cool all summer,With new T. A. N. absorber - PVA technolog once activated - the coats top layer of fabric helps the hot air from reaching the dog, by evaporation and heat displacement, the under fabric stays cool and repels the heat.- Unlike most other coats that virtually turn wet coats into a sauna for your dog. The T A N Absorber is a synthetic drying chamois made of high-tech PVA material that has a unique open cell structure to maximize water absorption. The Absorber absorbs water 3x faster and holds 50% more water than a regular towel or chamois. Its tough, durable construction is resistant to most chemicals and detergents, is unharmed by grease, oil, and solvents, resists tearing or shredding, will never flake apart, will not rot or mildew, can be machine washed, and lasts years with normal use. Yet its soft material is gentle and will not harm Coats come in 7 standard sizes – *however we are happy to make custom sizes on demand. XXS,XS,S,M,L,XL,XXL.