Helios Dog WeatherKing Ultimate Windproof Full Body Pet Jacket is lined This innovative fabric is lightweight, waterproof, impermeable, windproof, and retains body heat lost during cold weather while keeping snow proof, breathable and tear resistant. In addition, the Helios WeatherKing Jacket has a waterproof and lightweight polyester blend outer shell and proprietary coating to increase the durability of the outer shell. The outer fabric includes reflective 3M tubes for safety during nighttime walks and extreme activities. It also has an adjustable Velcro sleeve to prevent cold air from penetrating into the sleeves. The WeatherKing Dog Jacket has an additional neck adjuster. The hood opens completely near the face area to protect your face from frostbite, one of the most important coverage areas. Features Connectors: Velcro closure on the abdomen and chest for extra warmth and fit. Features an embroidered accent on the back and a leash slit holder with printed outer shell. Great for outdoors with a Helios dog! Available in multiple colors and sizes. Sizing Guide: Back of neck to tail area in inches): 8 Small 10-12 Small 14-16 Medium 18-20 Large 22-24 Extra Large