Have you ever wondered how some people can wear a suit when it’s stifling hot outside? Well, not all suits are created equal and some have a lot more airflow and a lot cooler than others. Why is that? You may wonder. Actually, there are a number of factors and we break it down below. Most importantly, there’s the fabric and the interlining. If you have a jacket with a glued interlining, it will insulate you much more, it will…