Originally Posted by HANGnOUT
Carry a torso pad and you will be OK at 25 degrees. A small pad is just one of those safety items you should carry in the winter. You can take your Clark to the ground with the pad in an emergency such as weather or equipment failure.
My sit pad is the same size as my torso*, so does double duty. Or triple duty if I use it to stand on when the weather is "warmish".
* With NO margin for error, but it works well, adding at least 10 degrees to what I can stand at night, even if added AFTER I get cold.