The clothes that you wear plays an important role in projecting how you are profiled, so they say, lending credence to the saying that "clothes make a man.
Why would you want to use a Garmin Forerunner for Geocaching? First, if you"re a serious athlete, one that is already using one of the forerunners as a personal training aide for running, cycling, duathlons or triathlons, why wouldn"t you additionally use its GPS navigational features to participate in the hobby/sport of geocaching? It"s just a natural and smart addition to the uses for which you bought it.