PERF DRY MED WEIGHT CREW Cushioned sole provides the ultimate protection against hot spots and hard surfaces. These super soft, high performance socks sit in just the right spot. Vented knit top keeps feet dry and cool. Five toe design prevents rubbing + friction between the toes Classic crew design hits mid-calf Cushion sole comforts foot from toe to upper heel Arch band provides gentle compression to lift and support Secure welt band for snug fit. Also keeps debris out Vented top allows for faster cooling and moisture release 64% Polyester; 18% Organic Cotton; 13% Nylon; 5% Elastane. Machine washable. Wash in gentle cycle. Line dry. Do not bleach or iron.