Explore any terrain in perfect comfort with this Terrain D.O.G. Reflective Neoprene-Lined Dog Harness that offers the right combination of pressure distribution and comfort. Lined at the belly and chest straps with contrasting neoprene, this reflective harness offers optimum comfort during even the longest days jam-packed with activity. Its four slides allow this dog harness to be easily adjusted to just the right size to maximize your dog's range of motion. It comes with a reflective safety stripe woven-in for added visibility. Measure (in inches) around the body (behind front legs) of your dog for the perfect size.Satisfaction Guaranteed