Royal Racing Trail Socks 63% dri-release 11% cotton 13% polyester 11% nylon 2% lycra Imported Coolmax fabric to regulate temperature and evaporate moisture 130mm rise to encompass ankle and lower calf Ribbed rise for extra support Cool mesh Zone Re-enforced heel for durability Coolmax Dri release fabric to regulate temperature and evaporate moisture Seamless toe for increased comfort Cool mesh zone