So, I was thrilled to finally come across 100% Merino products by Minus33 that are, and I can say confidently, completely itch-free. Dirtbag Dreams tested the Appalachia Women’s Lightweight S/S Crew, Moriah Women’s Lightweight Crew, Ossipee Women’s Midweight Crew, and Franconia Women’s Midweight Bottom during a five day trip at Machu Picchu. Click here to see how they faired!