Castelli Women's Invisible SockA cycling-specific sock using Meryl Skinlife® yarns and a Diaphanous web mesh on the top of the foot for total foot happiness on long hot summer rides. The no ankle cuff makes them practically invisible, hence the name.Not everyone wants the tall sock look and prefers not to have that odd ankle tan line that immediately identifies a dedicated cyclist - Castelli's Invisible socks are just the ticket for those of you who like a full-length leg tan.Features:Materials: 85% Polyamide, 15% ElastaneMeryl Skinlife® yarns feature bacteriostatic silver ionsDiaphanous web mesh on top of footMidfoot support bandNo ankle cuff to be practically invisibleHeel tab to prevent rubbing on the back of cycling shoeBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.