What is your goal of lightness, and why?.. pj's comment about the definition of "FL", which is beyond SUL, and might also be called Freakishly Light (in a good sense) got me to thinking, how light of a Base Pack Weight is light 'enough', and why?
Certainly going light is a journey, not a destination, but what goals do you hope to accomplish now by going light?
For now, "UL" meets my requirements, which are, in no particular order..
1. Keep up with the group leader, no matter how fast he/she is
2. Have extra energy left at the end of the day
3. Not feel any unusual pain after the trip
4. Hike easily and nimbly along any route I expect to encounter
5. Have extra room and weight capacity in my pack to help out lagging team members by carrrying an item or two
6. Have room and weight capacity in my pack to carry trip-specific gear without violating requirements 1-5 above. Examples: a rack and rope, watermelon, portable printer(as recommended by Outside Magazine), etc.
Repeating pj's definitions from a previous post..
20lb or less = L (Light)
10lb or less = UL
5lb or less = SUL
4lb or less = XUL
3lb or less = FL (Fornshellishly light – ok. just kidding here since i don't have name for it)
2lb or less = IRTMFACPE (immediately report to medical for a complete psychiatric evaluation)

