Carhartt WIP Single Knee ShortCarhartt WIP Carhartt WIP Single Knee Short for men. The Single Knee Short is made in a relaxed fit with a regular waist from Smith denim, which is a heavyweight cotton fabric. It comes in several iterations ranging from a stone washed version, offering a subtly worn in finish, to a heavy stone bleached version, which is very light in appearance. Inspired by the classic work pant silhouette, the short features triple stitching, tool pockets and a