At dinner time tonight, I noticed that everyone across from me was in four layers. For each of them, the top layer was a puffy jacket. Surprised by this, I asked S if he were cold. No, he said, he felt fine. If he took off the jacket, however, he'd be cold.
I was sitting there, quite comfortable in a t-shirt and my long-sleeved t-shirt hoodie. And with the sleeves pulled up to my elbows.
As someone who has always run cold, running warm is an interesting curiosity.
I know that I can go short sleeves until 16˚C if I'm moving and minimal wind. I know that 15˚ is when I put on the long sleeved t-shirt, if I'm not moving, and 12˚ is when I do wear if moving, not in sun, or if there is wind. I know that climbing up the mountain, I'm in a t-shirt, long-sleeved hoodie t-shirt, and an R1 Patgonia fleece, and I'm just fine down to 8˚ no wind. Hell, if Baker is any indication, I'm good down to -2˚C with those three layers, and likely still sweating at the end.