Brand New Pair of EcoSox Sport Quarter Socks. Colors: White w/ Black. Ecosox Active Sport socks have been developed with two key features in mind, comfort and durability. Every Ecosox Active Sport sock features an ultra-soft and padded foot, along with an arch support right down the middle to help fight foot fatigue. Quarters are great for running, walking, active sports or everyday leisure wear. Available Sizes: Large.