Pet One blizzard dog coat - heavy duty dog coat, available in blue or pink. This is a super warm coat featuring heavy duty 600D polyester "Rip-Stop?"? fabric & 300g of polyfill & chestplate for extra warmth. Waterproof and windproof Ideal for late night walks as the reflective piping is suitable for night visibility Elasticised chest strap for comfort You don't want a dog coat to be too loose as it won't stay on your dog or keep it warm. The blizzard has velcro adjustable side straps with adjustable buckle for a snug fit Provision under the jacket collar to allow the lead to be fitted These measurements are a guide to helping you purchase the right size coat for your dog. Measure the distance between the base of your dog's neck and the base of your dog's tail and choose the size which most closely matches your measurements.