size 40R 100% wool I've been selling blazers for a long time and this Blazer is one of the best blazers that I've come across 100% wool extremely stylish very rare to get you just cannot go into a department store and say hey I want to ask your de la rent or 100% wool and you get it this Blazer right here is amazing it speaks for itself let's talk about this item shoot me some offers and let's see where it goes... by the way looks great with a pair of jeans!!!!!