So soft and comfortable! The Curli Softshell Vest Harness is the world's first harness made with Softshell Fabrics. This harness design helps protect your pet against neck injuries, and lets your pet breathe easily, without putting pressure on the trachea. The Softshell membrane consists of laminated layers of high stretch content resulting in ultimate comfort for ease of movement. The outer layer material is mechanically tough and durable. The inner lining insulates and ensures a comfortable fit. The Softshell Plush Dog Harness ideal for your dog during the wet and cold months. The proven design by Curli keeps your dog's chest warm and dry. The Softshell Vest harness is adjustable through a Velcro strap and snap hook. With each Curli purchase, you will find a DogFinder ID number located on the product. The DogFinder ID is linked to an online account. You can create, customize and update your online account and add additional DogFinder ID's with your purchases. If your pet is lost, folks may be able to contact you via the DogFinder program, a nice safety plus. Curli Softshell Vest Features Easy-open one button click-lock Safety D-rings Revolutionary DogFinder ID Reflecting elements for added safety Adjustable Optimal distribution of pressure and tension points Comfortable and easy to wear Windproof yet breathable Warm and quick drying Small: Chest circumference 14 - 16 inchesCurli