Search brown, reddish brown riding boots - Looking for reddish brown, without noticeable dressage bow, preferably without bow, military style, no frills, no buckles, no zipper, no glittering stones...as in the photo. Size should be 6 or 6.5 (39/40) and the calf 40 cm minimum.
If they had to go to the cobbler would not be bad, the main thing is wearable and classic and reddish brown.