Bella's first time out with the dogpack. I bought the pack for Cisco a few years ago, but he absolutely refused to go anywhere (even around the block) with the pack on. Bella had no problem with it. A dogpack isn't very important on a day hike, but when backpacking every ounce counts, so we intend that she should carry her own water, food and poo. She will carry the pack on day hikes as training for overnights.