Houndstooth chore trousers. 26W 28.5L.
Button fly with hook, belt loops, 2 hip pockets, 1 back pocket. Elasticated waist. 
100% cotton, great quality.
Worn condition with a small mark, barely visible, please see the last photo.
1980s garment, traditionally worn by 'Métiers de la bouche', ie chefs, butchers, people working in the food sector.