With all the todo over Cheney's casual attire at the Auschwitz ceremony, perhaps we are missing the bigger picture.
Specifically, Cheney, who has a history of heart problems, was reported a few months ago to have had to get new shoes on Talking Points Memo, and swollen feet is an indication of congestive heart failure.
A problem with cold extremities and poor circulation, could require heavy winter garb to prevent things like frostbite for someone with this problem.