Collars for large dogs
A collar for a large dog needs to be wider and stronger than one made for a small breed, built to handle real pulling force without digging in or stretching out of shape. Something like the Ancol Soho Bee Collar in a large size is built with that in mind, rather than being a small collar simply made longer.
Why width and strength matter more on a large dog
A narrow collar concentrates force into a smaller area of a dog's neck, which becomes more of an issue the stronger and heavier the dog is. A wider collar spreads that pressure out, which is more comfortable for a large dog and less likely to cause discomfort if they pull or lunge.
The strength of the buckle and stitching matters just as much as the width. A collar built for a large, strong dog needs hardware that can handle real force without the risk of snapping or the buckle slipping open at an inconvenient moment, and reinforced stitching at the stress points tends to outlast a single line of cheap stitching by a long way.
Material choice plays a part too. A sturdy webbing or leather collar generally holds up better to sustained pulling from a large dog than a thin, lightweight fabric that was really designed with a smaller breed in mind.
Getting the size right
A collar that is too loose can slip over a large dog's head, particularly one with a narrower head than neck, while one that is too tight is uncomfortable and can rub. Measuring your dog's neck properly and checking it against the collar's size range, rather than guessing from their general size, avoids most fitting problems.
You should be able to fit two fingers comfortably between the collar and your dog's neck. Recheck the fit periodically, especially with a young large-breed dog who is still growing into their adult size.
Collar or harness for a large dog
A collar is fine for everyday identification and light lead use on a well-mannered large dog, but a harness is usually the better choice for walks if your dog pulls, since it spreads pressure across the chest rather than the neck. Many owners use both: a collar with an ID tag at all times, and a harness for actual lead walking.
Whichever you choose, make sure it is genuinely rated for your dog's size and strength rather than simply the largest size of a collar designed with smaller dogs in mind.
What we stock
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.
Red Dingo Design Dog Collar
Red Dingo Design Dog Collar in 28 designs, sizes XS to Large. Hard-wearing, comfortable and finished with solid hardware — and, like all Red Dingo gear, covered by their 5-year guarantee.
From£9.49
Red Dingo Classic Dog Collar
Red Dingo Classic Dog Collar in 18 colours, sizes XS to Large. Hard-wearing, comfortable and finished with solid hardware — and, like all Red Dingo gear, covered by their 5-year guarantee.
From£10.99
Kingdom Pet Cooling Collar
A fridge-cooled collar that keeps a dog cool for up to 4 hours on hot walks
From£3.99
Red Dingo Reflective Bones Dog Collar
Red Dingo Reflective Bones Dog Collar in five colours, sizes XS to Large. Hard-wearing, comfortable and finished with solid hardware — and, like all Red Dingo gear, covered by their 5-year guarantee.
From£12.99
Ancol Collar Soho Star
Ancol's Soho star-print dog collar in recycled fabric, adjustable, in Small, Medium and Large, with a matching lead available.
£7.49
Kowloon Pvc Flashing Collar Orange
A USB-rechargeable LED flashing dog collar in orange, waterproof for wet or dark walks
From£12.89
Walk R Cise Reflecta a Collar
A hi-vis orange collar with reflective strips, made in three sizes for any breed
From£4.59
Ancol Magnetic Lock Collar
A magnetic-clasp dog collar, medium size, for one-handed fastening at the door
From£11.49
Halti Collar
The Halti collar: nylon webbing with a neoprene lining and reflective weave, a clip fastening, metal D-ring and separate tag loop.
From£7.99
Red Dingo Classic Half Check Martingale Dog Collar
Red Dingo Classic Half Check Martingale Dog Collar in two colours, sizes Small to Large. Hard-wearing, comfortable and finished with solid hardware — and, like all Red Dingo gear, covered by their 5-year guarantee.
From£12.99
Hem & Boo Hemm Boo Stars Collar
A star-print nylon dog collar with a fully adjustable, branded strap
From£6.99
Common questions
- How do I measure my dog's neck for a collar?
- Measure around the base of your dog's neck, where a collar would normally sit, with a soft tape measure snug but not tight, then check that measurement against the collar's stated size range. Recheck it periodically for a young dog who is still growing.
- Should a large dog wear a wide or narrow collar?
- A wider collar is generally better for a large dog, since it spreads pressure across more of the neck rather than concentrating it into a narrow band, which matters more the stronger and heavier the dog is.
- Is a harness better than a collar for a large dog that pulls?
- For actual lead walking, yes, since a harness spreads pressure across the chest and shoulders rather than the neck. Many owners still use a collar with an ID tag for everyday identification alongside a harness for walks.
- How tight should a large dog's collar be?
- You should be able to fit two fingers comfortably between the collar and your dog's neck. Tighter than that risks rubbing and discomfort, while looser increases the chance of the collar slipping over their head.
Related
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.