Hiking or backcountry trek, Icebreaker's Hike+ socks offer a soft landing with a medium cushion, and the full performance benefits of temperature-regulating, wicking merino wool. Icebreaker harvests merino wool exclusively from sheep grown in the Southern Alps of New Zealand, where conditions are extreme and the wool responds accordingly Itch-free merino wool is temperature regulating, moisture wicking and odor resistant Anatomical design for a better fit Achilles support Y-heel prevents slips and enhances fit Reinforced heel and toe Vented breathe zone Medium underfoot cushion Midweight Height: Crew Made in United States of America (imported fibers) US shipments only Icebreaker Lifestyle Dotty Socks - Merino Wool, Over the Calf (For Women) in Birch Heather/Redwood/Oxblood