From Retailer’s Website: The sturdy Hurtta Casual Padded Dog Harness is ideal for everyday walks and activities for all dogs. The sport dog harness features reflectors for visibility, making the dog walking harness great for late-night or early-morning trips. The chest circumference is adjustable, allowing you to use the dog harness on dogs of different sizes. • Dog harness is easy to put on and comfortable to wear • Chest circumference can be adjusted to suit your dog • Neoprene padding makes the sport dog harness comfortable for the dog to wear • Dog walking harness offers bright 3M reflectors for improved visibility in the dark