K. Bell Men's Mustache Socks. The K. Bell Mustache Socks in Charcoal You probably think you’re clean from head to toe right? Dope shirt, fresh denim, and a brand new snapback but what about the socks? Keeping you clean and simple these Mustache Socks by K. Bell are the missing piece to your swagathon. Crew socks Mustache graphic Charcoal socks Contrast heel and toe area 60% cotton, 38% Polyester, 2% Spandex Imported By K. Bell.