Founded by Hamilton Carhartt in Detroit, the company started out producing work overalls in 1889. Evolving from the Carhartt legacy, Carhartt Work In Progress (Carhartt WIP) represents the forward-thinking way of living that still encompasses the classic aesthetics of the iconic brand. - Square label. - Rib-knit at bottom hem. - Drawcord and elastic in waistband. - 100% Cotton.