Arcadia Trail Water Bladder Harness for dogs, size Medium. This harness doubles as a hydration pack — it comes with a soft water bladder that slides into a zippered back pocket, with a tube that runs through the harness straps to a pressure-activated nozzle your dog can drink from on the go. Built from durable ripstop fabric, water-resistant, with dual aluminum D-rings (chest and back) for leash attachment, and reflective detailing for visibility on evening walks. Adjustable straps at neck and girth for a secure, comfortable fit. Great for hiking, camping, or long walks where keeping your dog hydrated matters. Fits neck 17”–23” and girth 22”–27”. New, unused, tags attached — see photos for full packaging and instructions.