Used for a 4-day trek in Peru. LOVES this shirt. The sleeves are easy to roll up when it's warm outside. No smell for several days. Walked about 30 miles up and down several peaks from 12,000 to 14,000 feet. I wish I had brought two.
Pros
MERINO WOOL LAYERS: Stay warm from head to toe in Icebreaker outerwear. Wear wool gloves, liner gloves, mittens, bras, wool undershirts such as tops, tank tops, leggings, bras, underwear, etc.