Redefining Humanly PossibleWe do our best product research scaling the Tetons, crossing the Grand Canyon or clinging to a sub-6 minute pace 20 miles into a marathon - because what needs to be improved often becomes clear only under extreme conditions. Every race, ride or run is an experiment in redefining the very notion of "humanly possible" that requires not just the heart of an athlete, but also the mind of a scientist.