Vintage Canadian-made pants

Victoria Principal would be jealous!! Made by ‘Miss Sun Valley’. Tag consistent with clothing from 60s. Miss Sun Valley was a Canadian clothing manufacturer and its president, Morris Watkin (1908-1974), was its designer and creative force. No material tag but heavier weight fabric with no stretch 14” waist 18” hips 27” inseam (petite?) Note two small off colour spots (have not tried to remove)