The Optimum Classico Sock is the go to for a team sock with tons of comfort. knee length sports socks have an elastic top cuff that makes these socks stay on legs without slipping down. High quality yarn to give a moisture management capability while you are playing. Durable and cushioned hexagon sole to give great fit and support with maximum comfort. Perfect for a multitude of sports including football, soccer, softball, baseball, field hockey, volleyball & rugby. Colour: Black Material: 99% Nylon, 1% Elastane Code: OSCLBK