ICNY Half Calf Gradient Crew Socks Yellow New in from manufacturers of reflective gear ICNY we have their Half Calf Gradient Crew socks, constructed with your safety in mind. The socks are put together using a blend of cotton, nylon, spandex, polyester & acrylic which means that they will keep going whilst keeping your feet dry. Featuring bottom foot venting, a micro mesh breathable pattern & a soft shock absorbing bottom they are technical as well as being safe. A great addition to anyones running or cycling outfit this winter. Ankle lock mesh weave Toe cap logo 3M reflective Bottom foot venting Description by Adam.