When I'm out in that, I bring my down coat for lounging in. I do the whole wool and fleece thing while moving, with a shell or anorak, but when I stop I tuck into my stay-puff marshmallow man 800 FP down coat. Down coats suck for moving around in, but once I stop, give me stationary comfort. It's also nice to wear to bed as a bit of a sleeping bag extender, and gives me the ability to keep a hood on my head while thrashing around (I'm a sleep thrasher) in a looser bag or a bag done quilt style. (It's no a substitute for a sleeping bag so don't start into that thread