Omni-Wool Merino Wool Medium Hiker (3-Pack) (Brown/Red, Denim/Navy, Charcoal/Light Grey, Medium) at Amazon Men's Clothing store
Crescent Sock Company - Omni-Wool Tactical socks deliver superlative comfort, quality, durability and functionality. The Merino Wool used in our socks comes from American Sheep, and is the finest quality yarn available