The CW-X insulators are lightly fleece lined and have a wind-proof panel on the front top thigh up to the waistband. They aren't SUPER insulated, though, so if you're already chilly and have further to go in the freezing temperatures they might not be warm enough long enough.
SportHill makes some nice insulated stuff. I have one of their insulated wind-proof tops and it's one of my winter faves. They have a pair of tights with their 3SP that would keep me warm walking outside, let alone running.
How cold do you want/need to go?





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