Review of the McHale Critical Mass Backpack McHale Website I’ve pretty much abandoned large backpacks for backpacking and climbing. With modern, ultralight gear, I very seldom carry more than 30 pounds, and usually my pack weight is much less, generally less than 20 pounds fully loaded. However, backpack hunting is one endeavor when I still… Continue reading My Quest for the Perfect Elk Hunting Pack. The McHale Critical Mass INEX