Yeah sweat is the enemy changing damp socks or socks that wick moisture. I know that's easier said than done expecially all day cutting. Stopping to change socks might be hard. Maybe at least at lunch time for sure. If you try the toe warmers try putting them on top if your toes they need oxygen to work well. Make sure they are open up and hot before you put them on your foot masking tape if needed.I have a pair of Hoffman pac style boots that have held up incredibly well (15+ years) but my feet are always cold unless walking briskly, even if my upper body is working hard but not much walking their cold. They are kept on a boot dryer every night. I bought new liner’s last year that helped but still cold. Never really liked rubber boots but have heard the muck boots are pretty warm if you can keep them dry. Might have to try changing socks, in them 10+ hrs a day.