This is a one size fits all hat designed to fully cover the ears.  The bottom edge is extra bulky Corriedale wool.  The lumpy section just above the edge is undyed gray, very curly Border Leicester wool with chunks of dyed kid mohair and Corriedale wool blended in.  The darker blue is medium weight Corriedale wool.  The lavender lumpy sections are extra bulky weight Corriedale wool.  The middle section between the lavender and blue is natural gray Icelandic wool that has streaks of darker gray blended with dyed Corriedale wool and kid mohair.  The top section is two ply medium weight Corriedale.