Alpaca socks - the extreme hikers from Americas Alpacas are lightweight, dry easily, and not itchy. I love mine! Just don't put them in the dryer or they will felt. You can likely get them at your local alpaca farm during National Alpaca Farm Days September 26 & 27.

Link to National alpaca farm days (find a farm near you...) http://www.nationalalpacafarmdays.com/default.html

Link to Americas' Alpacas (to buy the xtreme hiker sock if you can't find a farm near you) http://americasalpaca.com/