Beanie by Carhartt WIP, Camouflage knit, Turn-up brim, Logo patch, Machine wash, 95% Acrylic, 5% Elastane. 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.