haazrob,
I have three pairs of Schnee's pac boots--uninsulated designed for use with just thick socks, uninsulated with insulated inserts, and what I believe they call the Extreme, with insulated rubber bottoms AND insulated inserts.
To tell the truth I probably have too many hunting boots. Along with the array of Schnee's I also have a pair of waterproof but very light, uninsulated Meindls, a lightly insulated pair of Gore-Tex Irish Setters, and a pair of 400 Insulate Kenetrek Mountain Extremes. Then there's a pair of ankle-height, smooth leather Irish Setter work boots which mostly get used for early-season prairie upland hunting, along with pronghorn hunting. Oh, and knee and hip boots for when some wading might be necessary.
