The new EKOI CARBON FIBRE winter cycling socks are made in Italy and have been specifically designed for cyclists (though they cna be worn for all sports). Available in 3 cuff heights: standard, high or very high. The hollow THERMOLITE fibre is very popular with skiers in extremely cold temperatures as the fibe stores the foot's heat. The carbon fibre adds support and is hard-wearing, its thermal properties will protect you even in extremely low temperatures -10degC/14degF.