I found them to be hot, but then my last duty station was HHOC, 105th Military Intelligence Battalion (CEWI), 5th (Mechanized) Infantry Division, Fort Polk, Louisiana.
Yeah, ours were winter weight. I never wore them there except for one formation where they required it. I felt sorry for those guys as I waived to them from the rear-view mirror of my brand-new Ford EXP. Remember those? LOL