Material: 75% acrylic, 15% nylon, 10% spandex Height: 3 in Recommended Use: cycling Manufacturer Warranty: 1 year You're conscious of your carbon footprint. You sort bottles from cartons from plastics before taking the garbage out. Your commute is fueled by bananas and oatmeal instead of fossil fuels. Celebrate these green traits with the moisture-wicking comfort of SockGuy's Recycle Bike 3in Socks.