We've been using a small Front Range Dog Harness for over 15 years now. The first one was for my dog, Drew, a 15lb West Highland/Poodle mix. We love to walk and Drew wore his harness almost everyday of his 13 year life. Then comes Mozi, a 43 lb Airedale/Poodle mix, all dog with a mix of Drew's temperment but a lot of get up and go. We walk everyday too. After 2 years in Drew's harness, I decided Mozi was deserving of a brand smacking new harness and collar. There was nothing wrong with Drew's harness. It still had plenty of life in it, Mozi was just deserving of new more to his size harness. He loves it and so do I