The monkey beaver sizing seems to run pretty true. I have a 28-29” waist and run a small and I’m right in the middle of the waist belt. The saddle is super comfy whether hanging in Or doing spar work in a flipline and gaffs. It also hold a big saw like champ. Another slightly cheaper option is a Treemotion Light. What an absolutely kickass saddle. I love mine and still use it frequently. Also highly recommended. You really can’t go wrong with either. August seems to be a man of real integrity who loves what he does, and he is a great spokesman for the tree care industry. If that wasn’t enough the guy is an amazing tree man.