Best collar for Newfoundland dogs

A Newfoundland is one of those breeds that exposes every weakness in a standard collar design — the neck is enormous, the double coat is so dense that thin straps dig in or shift around, and most off-the-shelf options either don't adjust wide enough or use hardware that isn't rated for that kind of mass. Collar fit and safety features matter more than most people realise: too loose and it slips over that broad head, too tight and it's buried in fur causing irritation you won't even spot until there's a problem. Some larger breeds genuinely need a wider, purpose-built collar rather than just a bigger version of a standard one. To point you to exactly the right thing — is this a 2-year-old Newfoundland you're fitting, and is this primarily for ID and everyday wear, or do you need it to handle lead pressure on walks too?

That's a classic Newfoundland problem — a 60cm neck with a dense double coat means you need something at least 4–5cm wide so it sits on top of the fur rather than sinking into it, and it needs a solid quick-release buckle plus a D-ring rated for a dog that can easily exceed 60–70kg. Before I give you my recommendation, one quick question: does he wear a harness on walks for the pulling, or are you using the collar as the primary attachment point for the lead?

Perfect — that changes the priority slightly. Since the harness takes the lead pressure, you want something wide enough to stay visible through that coat, durable enough for daily wear in all weather (Newfies are not indoor dogs), and comfortable for something he'll have on 24 hours a day. My recommendation is the Ruffwear Flat Out Collar. It's available on Amazon UK in sizes that reach 60–75cm, it's 38mm wide which is enough to sit properly on a heavy coat without being so stiff it's uncomfortable, and it's built from webbing that handles wet conditions without rotting or smelling — which matters enormously with a Newfoundland who will swim given any opportunity. The aluminium V-ring for tags sits flat rather than hanging a bulky D-ring, and the side-release buckle is solid without being fiddly. Size it to his current neck measurement at the looser end of that range and you'll have room for seasonal coat changes too.

It can if the collar sits in one fixed position for weeks without being moved — that's true of any collar on a heavy-coated breed. The practical fix is to slide it slightly up or down when you groom him, which you'd be doing anyway to check the fit. The Ruffwear webbing is smooth rather than textured, so it's less likely to catch and tangle fur than nylon with a rougher weave. Running a comb under it a couple of times a week is all it takes. Given he's a Newfoundland, you're presumably already grooming regularly, so it just becomes part of that routine.

Good choice — it'll last well and handle everything a Newfoundland throws at it, including the inevitable swimming. Make sure you measure him again when you get it and aim for two fingers of clearance under the collar through the coat, not just on top of it, or you'll end up sizing it too tight without realising. Enjoy him — they're magnificent dogs.