I reviewed the Warbonnet Lynx 20-degree under quilt underneath my RidgeRunner hammock between 14-22 degrees outside winter temperatures Jan-2017 (see below YouTube link for video review). Although the Lynx seems compact, lightweight, and a quick install on the bottom of the hammock (all positives), I found it to be a little on the cold side regarding the area between my neck and lower back for its “20 degree” rating. I felt at the time of my test that a 25-degree lower end rating seemed more realistic. Granted, I was testing it at its lower temp limit so maybe I should cut it a little slack. If you will be down near 20 degrees or even slightly lower, you will definitely need to augment the Lynx under quilt with probably a 40″ x 22″ piece of blue foam laid perpendicular to your body in order to keep your back, shoulders, and elbows adequately warm. To be safe if it were me, and using the Lynx, I would always take the extra piece of foam pad for any trip temperatures that looked like they would dip under 30-degrees. Above 30-degrees, I would think the Lynx would work fine with no other “under” insulation needed. https://www.youtube.com/watch?v=_zxMr0FJvuk
