Tights below 40 degrees?

[makbike]

I wear a pair of wool tights.

[koala]

Depends how far below 40 & how much wind. Down to mid-thirties, I don't like to layer at all & prefer a tight with a built-in chamois (Etxe Ondo). Below 35 down to just below freezing, or mid-thirties with nasty wind-chill, same thing but I want the tight to be a bib with a wind-stopper front (Gore or Assos). Seriously below freezing & I want fleeced bib-knickers (Assos is the only maker I know of), and fleeced tights over the knickers (Shebeest wind-pro, or Sugoi sub-zero). I have learned with layering bottoms in really cold weather that it is much more comfortable to have only one waistband, and to not have that waistband against your skin, which is why I prefer the underlayer to be a bib style. That works for me.

[tulip]

I have some Sugois with fleece inside, lycra outside, heavy weight.

Colder than 30, I go for tights plus goretex pants for wind.

[HillSlugger]

I also wear Pearl Izumi Amfib tights for temps below 40. As was already mentioned I start to overheat in them above 40. For temps around 40 I wear Under Armour Frosty Tights.

[KnottedYet]

UnderArmor unpadded shorts, Ibex wool long underwear, Rivendell MUSA pants.

With those three layers I'm pretty happy in cooler temps.

[mimitabby]

with tights and knickers, i'm apt to wear wool kneesocks too
and booties the kneesocks are great because if you get too hot you can roll them down.

[lph]

I wear Amfib tights too (very happy with them) and go straight to ankle length leg warmers when the Amfibs are too warm.