Although you may size up at a certain point if you're going to layer your coat with a thick sweater, you can still look sloppy if you select a size too big. Here is how to find out if your jacket is too big.
1. The sleeves of your coat shouldn't go past your wrist for more than an inch.
2. Depending on the style of your coat, the length shouldn't be too long. For instance, a peacoat is supposed to end a few inches below your belt. Any longer, it will be considered too big.
3. Shoulders seams are an essential part of the fit. If it sits closer to the edge of your shoulders, the fit is okay. You wouldn't want