Feetures' Elite Invisible Sock is the first invisible running sock with the maximum amount of technology in the minimum amount of running sock. They’re equipped with targeted compression to give you support where you need it, technical mesh ventilation to keep your foot cool and comfortable, a higher tab to protect the ankle while staying hidden, and Heel Hugger 2.0 silicone tape to help the sock stay up in the most strenuous of running conditions.