Flannel shirts are an easy wear for every man.  A heavier weight fabric for cooler temps, however, these flannels are not super heavy.  From solid looks to patterns with multi colors, you can find a look for your wardrobe and lifestyle.  Nervous? Get one and see how you like it.  You can wear as a shirt all buttoned up or layered over a t-shirt or waffle knit.  Flannels are great pieces that can be worn as great smart casual pieces.