Lightweight. Well ventilated for a single-walled tent. Easy to pitch once you figure it out. Only need one trekking pole. Reasonably priced. There is a short season in my neck of the woods called ...
A backpacking tent must check a lot of boxes to be successful. You want something lightweight since you need to carry it. It needs to be sturdy — in the backcountry, you’re stuck with what you have.