Would be fun to see what the average newschooler uses for their layers.
Top: -0-10c = Wool base layer, Wool medium thick sweater.
-7-20 = Wool base layer, Wool medium sweater, Wool medium thick sweater.
-20-35C = Wool base layer, Wool medium sweater, Wool thick sweater.
Bottom: -0-10C = Wool long underwear thin and fleece pants.
-10-30C = Wool long underwear thick and fleece pants.
Always wool socks.
All merino wool.