Keep your feet dry, dry, dry! After being a soldier for 25 years I can tell you that your feet are the #1 priority for anyone making a living on their feet. I have poor circulation in my feet and hands and I can't stand having cold feet!
I change my sock & shoes when I get to the woods. I wear tennis shoes on the drive out, then change out there. I rub baby powder on my feet to dry them, then put on a polypropylyne socks against the skin and a heavy wool sock over that. My hunting boots are a full size larger than my regular boots and shoes so the blood flows and the trapped air can circulate. When it gets extra cold (relative to each hunter), I put quilted overboots over my boots once I get seated in the stand...never while I'm walking. During those extra cold days, I carry and extra pair of polypro socks (or just use simple nylon dress socks). After a few hours, I take the socks off, rub my feet to get the blood flowing again, powder my feet again, put on the dry polypro or nylon sock and put the original wool socks back on. After that they feel great!
Lastly, when really cold, I throw a foot warmer pack in each overboot. Hope this helps.
