WHEN WORN IT IS SPECIAL Thermoregulating|Soft|Dermocompatible|Eco-friendly THERMOREGULATING Thermoregulating: summer and winter with the same socks. They help prevent frostbite and cold feet. IT DOES NOT GENERATE A BAD ODOR WHEN SWEATING 100% VI BAMBOO SOFT TOUCH Elastane only in toe/heel/calf DERMOCOMPATIBLE Zero toxicity on skin: tests were carried out at the Ferrara University laboratory 100% MADE IN ITALY The entire production process, including the manufacture of fabrics, is carried out in Tuscany. The yarn is 100% viscose Bamboo certified Oeko-Tex®.