Men’s Wool Pants

Maybe wool pants from Australian army? No idea where my father got these! Army green color. Pleated front, plain hem. Button fly, and buttons around waistband - inside and outside. EUC - no wear marks. Back looks to have been let out (3”). Label states 41” waist, measured more like 44”. Inseam is 27” (with 2” hem). Two side pockets, 1 back pocket (flap with hidden button), one slit pocket (for a watch?) with loop on right side. Label indicates matching jacket - but no coat is available