I have two Gitzo CF tripods, one light/small for high-mileage backcountry use and another for close-to-car forays. Both have served well in a variety of conditions (sand, mud, rain, plenty of sub-freezing temps in snowy/icy terrain, streams, etc.). Yes, I treat them quite well. When dirt/sand gets into the leg-locks I disassemble and swoosh them around in the bathtub, let thoroughly dry before applying a dash of lube to threads and reassemble. No problems adjusting except when wet/frozen. Sure they freeze-up if they get wet below 0C. I re-submerge frozen legs into streams to temporarily thaw the locks to collapse legs. Because of steep/rocky terrain and potential to tumble, I attached plumber's foam insulation to the top-most leg section. Cheap insurance.