Features: Blister Tab Cushioned Footbed Seamless Toe Y-Stitched Heel Honeycomb Arch Support Extra-Long Staple Cotton Full Fabric Content: Solids Ankle Sock 4-Pack : (1) 76% Cotton (Supima®) 22% Polyester 2% Elastane ; (2) 73% Cotton (Supima®) 24% Polyester 3% Elastane Imported Care Details Machine wash cold on gentle cycle, Only non-chlorine bleach when needed, Tumble dry low, Do not Iron, Do not dryclean.