The widest pant from Universal Works, with stitched down front darts to create the shape but without bulk. They have waist adjusters to cinch the waist and simple rear patch pockets.
Universal Works
Drakes
Nike
Dime
Dickies
Carhartt WIP
Atmos
Stan Ray
Service Works
Le Mont Saint Michel
No Problemo
Ymc
Butter Goods
Obey Clothing
Homies
Helas
Norse Projects