PLEASE SELECT THE COLOR FROM THE BOX ABOVE. Ethically sourced VIVO Merino Wool from New Zealand. Non-Mulesing AWEX Certified, animal friendly Merino Wool from New Zealand. Sock has a mesh knit panel at the top of ankle for added breathability. White lines are nylon arch and achilles support ribs for added stability. Naturally high level of water wicking keeps you dry. Temperature regulation, Merino Wool Keeps you comfortable in all environments and has a high level of breathability. 10" Crew length. 80% Merino Wool, 12% Nylon , 8% polyester elastane for retention and product longevity. Mid weight yarn, not too thin, not too thick. Manufactured in Tokyo, Japan. One Size / Mens US 7.5 - 12.5