Soft mesh material is durable and easy to clean. It can handle hot sunny day walk and muddy winter walk. Easy to put on & off and comfortable for any size of dog. You don't need to wrestle with your dog anymore. Double coated D-rings are attached on the back of the harness to give even distribution of force when redirecting your dog. Breathable 100% polyester layered soft fabric won't rub or irritate your dog's delicate underarm skin.