The fit is perfect. First one I bought was a different color and a size S, thinking it is still going to be larger than expected. Nope. It you normally wear an M and want a snug fit, go with an M. Softness of the fabric is great as well. Only issue is the breathability of the fabric. If you live in a humid/hot location, expect to sweat more than you would be wearing a cotton or a lighter fabric.