Long gone are Im A July Girl Mix Of Really Sweet And Dont Breaking Men With Me Lips shirt . The days when men only had one fitting option for dress. The reality is that men appreciate different fits to their. Having more options leads to a greater choice for styles. Yet, you might find yourself overwhelmed by the range of options for. Here is an explanation of the difference between two similar (but very different) fitting options – muscle fit vs slim fit.A slim fit is exactly what it says it is – slim fitting. They’re designed to fit close to the body, usually by tapering the cut through the midsection and waist. But, this also results in there being little room in the upper body. Something that will come as a hindrance to those with a more muscular build. A slim fit is more tailored (fitted) around the arms than a standard fitting but can be baggy around the waist.