As veterinary experts who regularly handle dogs of all sizes, we know that a leash isn’t just a tool-it’s a safety device. For large dogs, a retractable leash must offer robust construction, reliable braking, and comfortable ergonomics. We evaluated dozens of models against published strength standards and aggregated owner feedback. Our picks prioritize tangle-free operation, chew-resistant materials, and smooth retraction. Here’s what we found after real-world research.