EZ Fit™ Straps with locking Velcro allows for quick adjustments. EZ Fit™ Buckles open for fast adjustment, then latch down to lock securely with remaining strap secured in rubber loops. In 10 seconds or less, all the adjustments are done and off you go. Triple stitching, top-quality padded comfort, and durability make this water-resistant harness the best in the world. Check out Alpha Pak's variety of durable and stylish dog collars that match the harnesses and backpacks!