In the last week, I decided to get a pair of each of these, so I figured what better way to spend the weekend than putting them head to head! I went for the ProDry Extreme Saturday and the TechSof on Sunday, both with a pair of all white Classics Dry Premier. As I just got them, I AM a little curious to see how each holds up over time.
Both are extremely comforatble right from the get-go and offer great support and a good amount of cusioning. I'd say the PDE feels just a bit thicker than the TechSof. Both socks do a nice job keeping the feet feeling dry, or at least not too sweat soaked - it was 85 yesterday and 94 today here in Columbus, and probably about 90-100% humidity, so both did a nice job in this regard.
To that end, the TechSof DID seem to keep my feet a little cooler feeling - I think it's largely because of the light mesh top of the sock and the fact that they seem to be just a touch thinner overall. After walking 18 in each, the TechSof will definately be my main sock of choice, with the ProDry Extreme kept in there when it cools off a litte in the fall. Hope you found this useful!