Made with responsibly sourced, ZQ-certified wool that was grown with a focus on ensuring environmental, social, and economic sustainability while also taking the best care of our Merino sheep. Light cushioned - for impact absorption and warmth Features recycled nylon (content varies by style) Elasticated arch brace - for secure fit Flat knit toe seam - for additional comfort Fabric: 69% Merino Wool 8% Nylon 22% Recycled Nylon 1% Elastane