cwh2- How are the bunny boots for walking? They don't look the most comfortable and slickery...
Personally, I think Bunny Boots suck. I've never found them as warm as a good "system" approach, and I'd take a well insulated Pack Boot any day (insulated lower with slip out insulated liner).
Or better yet, a heavily insulated boot with an overboot like the NEOS. I use an insulated "Super Gaiter" with rubber rand that leaves only the boots sole exposed. I have no experience with a full "overboot" like the NEOS.
Exposed Sole "Super Gaiter:
https://www.mtntools.com/cat/techwear/Gaiters/mountaintoolssupergaiters.htmOverboot:
https://www.40below.com/products_results.php?Search=1&ProductCategoryID[]=1