What size of girth should I choose? 25 October 2021 12:05 Updated Please refer to our size guide to choose the right size of girth. Related articles What are the 1/2/3/4 flap sizes? What size of stirrup leathers should I choose? What is the difference between a calfskin lining and a buffalo leather lining? What size of bridle/ snaffle bridle should I choose? I’m hesitating between two sizes, what should I do?