If you’ve spent time backpacking, I’d be willing to bet my next pizza that you’ve seen either a Therm-a-Rest Z Lite Sol (henceforth referred to as Z Lite) or a NEMO Switchback at some point.  Maybe you carried one yourself. Their low weight and price combined with exceptional ruggedness makes these closed-cell foam (CCF) sleeping pads a favorite choice of both thru-hiker and weekend warrior alike. But which one is best? Let’s find out.