These socks come in a ankle length; 5 pairs socks contains; Machine wash; Sock Size:3-8 Breathable:Mesh design system allows air to circulate and eliminats deadly smells from embarrassing smelly feet. Moisture Wicking: Powerful moisture-wicking cotton provide an unparalleled dryness,which is super comfortable for casual. Cushion Sole and Reinforce Heel/Toe:Extra cushioning through sole for enhancing arch support,helping absorb shock,reducing impact and enhance performance;Reinforced heel and toe helps provide superior resistance and outstanding durability. Seamless Toe and Non-binding Top:Truly seamless toe,eliminates bulky toe seam,reduce the risk of infection, foot pressure, blistering.With non-binding top,which carefully moulds to the natural contours of your legs, leaving no horrible constriction rings after you take your socks off.