"Cycling Fox Super-light weight and high-tech performance combine in these cycling socks Wick Dry? Health System keeps feet dry and comfortable Soft Tactel? Aquator? for moisture management Smooth jersey knit for maximum comfort inside cycling shoes Open mesh on top of foot for ultimate breathability Lin-toe? ""no feel"" seams mean no irritation at toes Lycra? throughout for form fitting comfort Quarter crew Ultra light weight Content: 65% Tactel? nylon, 32% nylon, 3% Lycra? spandex"