Hat by Carhartt WIP, 90s inspiration incoming, Mixed print, A little bit of this, a little bit of that, Flat top, Eyelet vents, Short brim. More than a century after Hamilton Carhartt established his Detroit business, Carhartt Work In Progress (WIP) launched in London, tailoring its workwear focus for a new audience. Collaborations with the likes of A.P.C. and Vans as well as inspiring figures in music and sport have since followed, making it a go-to for logo tees, hoodies and accessories.