Once their base weight reached 8 lb, found the Kakwa 40 uncomfortable and too large, oddly more comfortable with heavier loads, and moved to a frameless Pa'lante V2 they love.
“I went frameless when my base weight got down to 8 lb and I found my Kakwa 40 to be uncomfortable and too large for my needs. I weirdly found the pack more comfortable when loaded with more weight”