JOBST forMen Ambition combines cotton and carbon to provide unmatched comfort and natural odor control in a uniquely fashionable men’s sock. This highest cotton-content sock also has naturally odor-cancelling carbon fibers that improve with each wash, and a unique knit structure to help make it fit an even wider range of sizes. And now, Ambition features an improved fit with the addition of less tension in the top band with innovative, patent pending silicone yarns in the top band, to provide effective compression and improve comfort.