A section of the hiking community that is focused on minimising (to the extreme) weight carried on a backpacking trip.So much so they have gone long past dropping large amounts of weight are are down to counting grams. Practices include cutting toothbrush handles in half, trimming excess strapping from equipment, and always on the lookout for equipment that helps to save those ever so precious grams. Oh and don’t forget then spreadsheets which identify the weight of each and very piece of equipment that they own.