The All-Terrain Trekker waterproof jacket plus reflective harness is a real treat! With its adjustable straps, double D-ring, and strong buckle on the back, you can essentially customize the chest size to make walking any sized dog seamless. The waterproof jacket zipper is conveniently placed on the back, making it easy to put on and take off your pup! Plus the bright and easily visible reflective fabric helps any doggo stands out, day or night. Bonus: the carefully crafted premium nylon waterproof coating keeps your loved one warm and dry while walking in the rain or snow.