Base layers (top and bottom) on Aconcagua

Also called: Base and mid layers, Base layer / thermal underwear, Base layers, Thermal long underwear

What it is for

The layer against your skin, top and bottom. It moves sweat away from the body so you stay dry, which is what keeps you warm.

What Aconcagua asks for

Standard
Merino or synthetic top and bottom, never cotton; a light and a heavier set

Kinds

  • Base Layer Tops
  • Base Layer Bottoms
  • Expedition-Weight Base Layers

Other mountains