I’ve done some research on underwear before Aconcagua and looked at different materials, manufacturers and models. I have come to the following conclusions:
- That it’s Merino wool / Wool terry you should go for.
- That Icebreaker is best (but expensive).
- That the warmest is terry where Woolpower is the best.
- Having synthetic underwear below or flecee destroys much of the good qualities of a wool underwear.
- That the model Zip Turtleneck is the best, both warmest and easiest to regulate the heat.
- That rather have two extra thin wool sweater than a fleece on Aconcagua.
- On Aconcagua, it is clearly best with a little tighter underwear. Not fluffy next to the skin.
This means that I will use my old synthetic clothing on the acclimatization trip and investing in new Merino wool and Wool terry set for Aconcagua.
2 Wool boxer short Aclima Warmwool Shorts M’s
1 Wool boxer long Aclima Warmwool Boxer Shorts Long
1 Wool sweater Smartwoll TML light
1 Wool underwear top Icebreaker M’s Mondo Zip 200
1 Wool underwear bottom Icebreaker M’s Leggings 200
1 Wool terry top Woolpower Zip turtleneck 200 g
1 Wool terry bottom Woolpower Long john 200 g
1 Trekking Shirt Icebreaker M’s LS Atlas 150