DeFeet Evo Carbon 6" Socks 9.5-11.5 CarbonDeFeet Evo Carbon Socks 6 inch Black Large. The DeFeet Evo Carbon Sock is the ultralight comfort your feet are begging for for your next ride. With DeFeets thinnest knit the Evo lets you feel your shoe for maximum articulation and effective weight shifts. Synthetic carbon blend manages moisture all day sock for hot temps or moist conditions Ultralight with a thin compressive knit for a custom fit Extruded filament polyester thread rather than a ring