I purchased these pajama pants for my husband, brother, and brother-in-law for Christmas, as I get them PJs every year and they love them!  They are comfortable, light weight, and nice to sleep in as they don't make my husband too hot, like flannel PJ bottoms tend to do.  They are made of nice quality cotton that is soft and silky, much like medical scrubs.  Add a pair of long johns underneath on a cold morning, or wear alone on a warm night.  These bottoms are very versatile.  Thanks for a nice product at a great price!