Best body harness for Golden Retriever with arthritic neck

Switching away from a Gentle Leader because of neck arthritis is absolutely the right call — any pressure on an arthritic neck is worth eliminating. Not all no-pull harnesses are equal though: front-clip harnesses redirect pulling effectively for most dogs, but fit is everything, especially for a senior dog who needs comfort as much as control. Before I point you in a direction — how strong is the pulling now that your Golden is 8? Some dogs mellow with age, others are still determined. And has the arthritis affected his mobility or gait at all, or is it mainly a neck sensitivity issue?

Good — if his movement is fine that makes fitting much easier. At 35kg with moderate pulling and no prior body harness experience, I'd go with the Ruffwear Front Range Harness. It has a padded chest panel that distributes pressure across the sternum rather than any single point, which is exactly what you want when the neck is off the table. The front clip redirects his weight when he pulls rather than letting him lean into it, and there are two chest adjustment points so you can get a genuinely snug fit without it riding up. It comes in a large which should suit a 35kg male Golden well — chest girth is the key measurement, so worth checking the size guide against his actual chest before ordering.

Completely valid concern, but most dogs actually take to a body harness more easily than a head collar — there's nothing going over the muzzle or behind the ears, which dogs tend to find the most intrusive. The main thing to do is not just clip it on and head out. Spend a few sessions letting him wear it indoors for short periods with treats involved, so he associates it with good things before you add the lead. Given he's been on a Gentle Leader for years, the pulling dynamic may also shift a bit — he's learned to respond to the head pressure, so you might need a couple of walks before he recalibrates to the front-clip feel. But most dogs get it within a week.

Two things mainly. First, check under the chest and behind the front legs for any rubbing — the padding helps, but if the fit is slightly off those are the spots that will show it first. A thin layer of fur can hide early chafing so run your fingers along those areas after the first few walks. Second, recheck the fit every few weeks — senior dogs can lose muscle condition gradually and a harness that fitted well in October can be loose by January. Loose means it shifts around and reduces the effectiveness of the front clip. Other than that, the Front Range is genuinely well-made and holds up to daily use, so you shouldn't have any reliability issues.