As an Adventure Racing rappelling harness the XLH is perfect. It is ultra light and compact, comfortable to run in and is adequate for the short rappels, traverses or climbs required in AR. It's low bulk makes it comfortable to wear under ski pants for ski mountaineering. The only down side is that the very narrow leg straps tend to cut in when taking your full weight during a rappel. I found leaning back and taking more weight on the waist helped.