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 warmthFeatures recycled nylon (content varies by style)Elasticized arch brace for secure fitFlat knit toe seam for additional comfortFabric: 65% Merino Wool 25% Recycled Polyamide 9% Polyamide 1% Elastane