This is a set of three pairs. Do your feet feel sticky and your toes slimy? It's unpleasant, right? Moreover, they're made of silk! They contain 18 kinds of amino acids. Highly recommended for those concerned about foot odor! Size: 23-27CM ■ Product Name: Five-finger health socks ■ Quality: Silk, Nylon, Polyurethane ■ Size: 23-27cm (Unisex, free size) ■ A strong ally against antibacterial and odor *Also ideal for those with athlete's foot!