This is a medium bulky weight all wool cap made from several different kinds of wool.  The wide section near the top and the brim are both undyed Icelandic lambs wool.  The black accent stripes are dyed Corriedale wool.  The wide gray section is undyed Blue Face Leicester.  The dark brown stripes are undyed Romney wool, and the gray stripe around to top and near the brim are both dyed Shetland wool.