This is a great pad for winter camping or climbing, and I have found it to be very versatile. It doesn't pack down as small as some other pads, but it fits fine on the outside of my Osprey. You don't have to worry about puncturing it with your crampons, and it serves as a nice pad if you just want to sit down for lunch on the trail. I have an inflatable therm-a-rest as well and I have been using the Z lite almost exclusively. Overall, pretty awesome pad, I'm really happy with it.