GQ has a post up on Keanu’s knowledge about suits. During a Hollywood stylist round table hosted by The Hollywood Reporter, Jean Yang
“I don’t think people realize, he really knew about clothing. He’s the one who taught me about Neapolitan tailoring, and Kiton, and Borelli, and proper stitching. She also went on to say that his knowledge is so in depth that he even knows the stitching process involved in making a proper suit lapel.
The Hollywood Reporter has posted the video of the round table discussion on youtube. You can watch Jean Yang talk about Keanu beginning at the 3:28 min mark. Keanu was her first client along with the rest of the cast of The Matrix. She dressed hi for the entire two month press tour for the film.