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
- Standard on: Everest, Aconcagua, Denali, Kilimanjaro, Elbrus, Vinson, Kosciuszko, Carstensz Pyramid

