- 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. - 82% Merino Wool, 10% 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