Quote Originally Posted by Tom1956 View Post
...doing things like trudging around, carrying firewood, putting weights in the back of a pickup--those sorts of things...
Yep, that's enough to tire me out fairly quickly, even wearing shorts and thongs without snow.
To be fair, last time I was in real snow I also got tired from walking, but that was in the Austrian Alps over winter, and those ski-boots were heavy (but after 3 months skiing I got fairly fit enough)