28 Jun Before you choose a suit, consider the weight of the fabric
7 ounces to 9 ounces: This is the lightest fabric weight you can find and is ideal to look for during the warmer months of the year.
9.5 ounces to 11 ounces: This, of course, would be the second lightest fabric weight, and is best for transitional seasons when it’s not too hot and not too cold (late summer-early fall, and spring-early summer).
11 ounces to 12 ounces: Middle weight. This is the “just right” fabric weight that is perfect to wear for the majority of the year. This is the ideal fabric weight to start with if you’re building a formal suit wardrobe from scratch.
12 ounces to 13 ounces: This is the second heaviest fabric weight. It’s a great option for most of the year, but for summer it’s completely out of the question.
14 ounces to 19 ounces: This is the heaviest suit fabric you can find. This weight fabric is not the most popular, but is easy to tailor and is ideal to wear on a cold fall and/or winter day.