Front-clip harness for pulling Labradors

Your trainer has given you solid advice — front-clip harnesses genuinely change the mechanics of pulling, redirecting the dog toward you rather than letting them power forward. Good training tools amplify good technique, they don't replace it, but in this case the switch really does make the work easier for both of you. To point you toward the right harness: what's your Lab pulling like right now — constant leash pressure, lunge-and-surge, or selective pulling in certain situations? And is your dog on the larger or leaner side for a Lab?

That constant-pressure style is really common in Labs — they're not reactive or excitable, they just have tremendous forward drive and absolutely no discomfort threshold on a flat collar. The broad chest is important too, because a lot of harnesses that fit narrower dogs end up either restricting shoulder movement or sitting too far back on a Lab's barrel chest. What harness or collar are you currently using, and has he worn any kind of harness before?

Your trainer is pointing you in exactly the right direction. The Perfect Fit harness is what I'd recommend here too — and for a 35kg broad-chested Lab it's genuinely the best option, not just a good one. Here's why it earns that recommendation: it's a three-part modular system, so the chest, girth, and back sections are all sized independently. That matters enormously for Labs, who are often a medium chest with a large girth, and no one-piece harness handles that combination cleanly. The front D-ring sits right at the sternum, which gives you that redirection effect your trainer described — when he leans forward, the leash attachment turns him back toward you rather than just creating friction. It's made in the UK, the quality is excellent, and because the fit is precise rather than approximate it doesn't shift around or rub under the armpits the way cheaper harnesses tend to on dogs with Labs' build. You'll need to measure him carefully — chest circumference just behind the front legs, and girth around the widest part — and use their sizing guide to pick the right combination of parts. It's sold through their website and on Amazon UK. For a dog his size and shape, it's the one I'd buy without hesitation.

A few things worth knowing. First, let him sniff it and treat around it before you try to put it on — no sudden ambush with a new piece of kit. The Perfect Fit goes on in sections, which actually helps because you can get him comfortable with the chest piece before adding the girth strap. First walk, keep it short and don't expect miracles — he needs a session or two just to adjust to the feel of something on his body. The front-clip redirection works best when you've got some loose-leash training happening alongside it; the harness creates the opportunity, but the reward for checking in with you is what builds the habit. Your trainer will have a method for this, but the key is marking and rewarding the moment the leash goes slack, not waiting until he's already pulling.

Good plan. Measure twice — the sizing is accurate but only if your measurements are. A well-fitted Perfect Fit on a big Lab is a genuinely different walking experience, and once you've got it dialled in alongside what your trainer is teaching you, you'll notice the difference quickly. Good luck with him.