Ruffwear Trail Runner System - The Trail Runner Belt offers humans a comfortable, bounce-free, load-dispersing design with an intuitive leash attachment release for quick disconnect when needed. The belt includes a zippered, water-resistant pocket, a stretch mesh pocket, and an included 21 ounce, BPA-free Ruffwear water bottle that fits securely in a holster on the back. While the belt is compatible with any leash, this system includes our shock-absorbing Ridgeline Leash, designed at a length that's optimized for running or walking. Belt Size: 25-45 in Leash Length: 3.3-5.9 ft Comfortable bounce-free, load-dispersing design Intuitive leash attachment release for quick disconnect Shock-absorbing, Ridgeline Leash Zippered, water-resistant pocket Stretch mesh pocket for quick-access to essentials BPA-free Ruffwear water bottle Low-light visibility with reflective trim and light loop for attaching The Beacon