What Size Harness for Your Dog?
Find the correct harness size by chest girth measurement. Front-clip vs back-clip recommendations.
How to Measure for a Harness
Measure the chest girth: wrap a tape measure around the widest part of the ribcage, just behind the front legs. This is the primary sizing measurement for all harness brands. Weight is a secondary guide but chest girth is more accurate because breeds vary in build (a 50-lb Bulldog has a much wider chest than a 50-lb Whippet).
Front-Clip vs Back-Clip
Back-clip: Leash attaches on the back between shoulders. Best for well-trained walkers — gives full range of motion. Does not help with pulling. Front-clip: Leash attaches on the chest. When the dog pulls, the leash redirects them back toward you. The most recommended option by trainers for dogs who pull. Dual-clip: Both attachment points for versatility.
The most commonly recommended no-pull harness by professional trainers is the front-clip style (Freedom No-Pull, Ruffwear Front Range). Head halters (Gentle Leader) are even more effective but require acclimation training. Prong and choke collars are increasingly considered outdated and potentially harmful by veterinary behaviorists.
