When measuring a halter you already own to have a new one made the same take measurements of all these parts. Measure in strait lines between, not including the knots.
How to measure for a custom riding halter or halter.
To measure your horse for the first time measure all the way around the noseband nice and high on the nose, then from one side of the noseband up over the poll and back to the other side of the noseband.
