Cut with a women's specific fit, Smartwool's fullest, plushest sock offers maximum cushioning for maximum comfort on long hikes or backpacking trips. Plus, with its stay-put arch brace and comfort-driven toe seam, you won’t notice it’s there. Constructed of responsibly sourced Merino wool blended with recycled nylon, this sock is sustainably durable, to help reduce your environmental footprint. The Women's Smartwool Classic Mountaineer Maximum Cushion Crew Socks. Features Flat knit toe seam for additional comfort Elasticized arch brace for secure fit Now featuring recycled nylon (content varies by style) Specifications Height: Crew Cushion: Maximum Cushion Origin: Made in the USA of Imported Yarn Materials 74% Merino Wool 8% Nylon 17% Recycled Nylon 1% Elastane Care Machine Wash Warm, Inside Out Do Not Bleach Tumble Dry Low Do Not Iron Do Not Dry Clean