Made by Samuelsohn in Canada, these trousers have a Donegal Tweed look without being heavy.   Perfect with sweaters and sport coats.  These are made on Samuelsohn's updated classic B model.   Flat front, 1/8 pocket, 2 button-thru back pockets, short extension waistband with double back darts.   61% Wool, 36% Cotton, 2% Polyamide, 1% Elastane (provides the look without the weight).