Our most comfortable walk yet. Designed for the outdoors and tested on large and adventurous dogs, the Extreme Collar from Ancol is ideal for active dogs and owners. Lightweight but durable, this comfortable collar is padded and adjustable for a perfect fit. Waterproof, reflective, and with an added utility clip, you'll never need another collar. Tested on extra strong adventurous dogs. Heavy duty multi-functional utility clip for attaching a variety of accessories. Reflective for improved visibility in low light. Full adjustable and padded for a most comfortable walk. With a weatherproof nylon outer weave for endurance.