From Stance, these socks feature: Optimized low-profile silhouette with two-layer protective ankle tab Left and right tapering for maximum comfort at the toes and footbed Targeted underfoot support for maximum in-shoe response Odor and moisture control technology for all-day freshness Features Infiknit™, durable performance yarn in the heels and toes to protect your feet from high-wear abrasion zones Nylon/polyester/combed cotton/elastane Machine wash/tumble dry low Imported.