Mico Active Travel sock medium weight Zero Odor X-Static Buon Cammino CA01510 002 blue is made with Coolmax and Lycra fiber offering a stabilized and highly comfortable fit. Thanks to the "herringbone" manufacturing technology and anti-blister inserts with a compact structure on the heel, the foot will always remain dry and cushioned. X-Static silver fiber with anti-bacterial and anti-odor protection, and elastic bands at the ankle and arch, guarantee a secure fit.