The PK9 collar guide
The right collar isn't decided by breed alone. It's decided by fit, purpose and how your dog actually moves.
A collar that works for a relaxed daily walk may not be the one you'd choose for structured training or a muddy weekend outdoors. Start with what you need the collar to do, then consider your dog's shape, comfort and the material.
This guide helps you compare PK9's leather, BioThane, slip and tactical designs without assuming every dog needs the same setup. Need to measure first? See the PK9 measuring guide or our collar sizing article.
Start here
Three questions before you buy
ID and everyday wear, lead walking, supervised training, and close handling have different demands.
Measure the individual dog, check the collar's adjustment range, and confirm it won't rub or easily slip off.
Water, dirt, coat type, frequency of wear and maintenance all affect which material is convenient.
01 / Everyday wear
A straightforward collar for day-to-day life
For ID tags and ordinary walks, a well-fitted flat buckle collar is often a sensible starting point. It should sit securely, give your dog room to move naturally and be easy to check for wear.
PK9's Just A Collar is a simple BioThane option, while the Hermann Oak Leather Collar offers a traditional leather finish. Choose by your dog's measurement and how much care you'd like the material to need, rather than treating leather or BioThane as automatically better for every dog.
If your dog pulls hard enough to put sustained pressure on the neck, don't solve that by simply choosing a heavier collar. A properly fitted harness can be the better walking attachment while you work on loose-lead skills.
Browse everyday collars
Shop all PK9 collarsStart with the style, then check your dog's measurement against each product.Explore the collection →
02 / Materials
Leather or BioThane? Think about the upkeep.
Both materials have a place. BioThane is coated webbing that's straightforward to wipe down after rain, dirt or a swim. Leather suits owners who prefer its feel and appearance, and are happy to clean, condition and dry it appropriately.
Neither material makes a collar escape-proof or guarantees that it won't irritate sensitive skin. Correct sizing, edge finish, hardware and how long the dog wears it all matter. Check beneath the collar for redness or rubbing, particularly after wet walks.
BioThane
Easy wipe-clean maintenance and a practical choice for wet or muddy routines. See BioThane collars →
Leather
Traditional look and feel, with more attention needed after water exposure. See leather collars →
BioThane collar collectionCompare everyday and specialist styles made with coated webbing.Explore BioThane collars →
03 / Fit & security
For dogs who can back out of a flat collar
Some dogs have a narrow head relative to the neck, or have learnt to reverse out of a loose collar. A correctly fitted martingale (limited-slip) collar may provide a more secure option on lead. The tightening range must be adjusted so it cannot continue closing without limit or restrict breathing.
A slip collar is different: it can tighten under tension and needs careful fitting and controlled, supervised use. A slip collar isn't a substitute for teaching loose-lead walking, and neither style should be left on for sleeping, rough play or unsupervised wear.
Measure the widest part of the head for slip-on designs, then follow the exact product's fitting instructions. PK9's slip collar range includes training-specific options; the martingale collection features bespoke or auction-origin designs, so check whether a particular product can currently be ordered.
Safety check: if your dog suddenly lunges, pulls continuously, coughs or shows distress from pressure around the neck, stop and reassess the equipment. A harness and qualified, reward-based handling support may be more suitable.
PK9 slip collarsTraining-specific collars: compare adjustment, measurement and handling requirements.Browse the range →
04 / Working & close handling
When you want additional handling features
A tactical collar may have more substantial hardware, a wider body or a grab handle for close-range handling. Those details can be useful in a specific working or sport setting, but extra bulk isn't automatically better for a strong or energetic dog.
Check the collar's weight, width, buckle, handle placement and exact fit. A grab handle is for brief, controlled handling, not lifting a dog by the neck. The Tactical Leather Dog Collar is a bespoke made-to-measure option, while PK9 also lists a BioThane Tactical Collar; product availability can vary.
For a young dog, a small dog or a companion that doesn't need specialist features, a simpler collar may be more comfortable and easier to manage.
Explore tactical collarsCompare without the guesswork
Collar types at a glance
This is a starting point, not a size chart or a substitute for a fit check. Your dog's needs can change with activity and age.
Open the quick comparison table
On smaller screens, scroll sideways to read all columns.
| Style | Consider it for | Important check |
|---|---|---|
| Flat buckle | ID tags and ordinary daily wear | Secure adjustment, comfort and no easy escape route |
| Leather | Everyday use when you prefer a traditional finish | Regular care and drying after wet use |
| BioThane | Rain, water and muddy routines | Edges, hardware and the individual dog's skin comfort |
| Martingale | On-lead security for some narrow-headed dogs | Correct limited-slip adjustment; supervised use only |
| Slip collar | Specific, supervised handling or training needs | Head measurement, fit, and avoiding sustained neck pressure |
| Tactical | Specific working or close-handling tasks | Weight, width, hardware and safe handle use |
A 30-second check
Before clipping on the lead
Use this quick checklist with your current collar or a new one. Tick each item as you check it; if something isn't right, fix the fit or stop using the collar until it is resolved.
These ticks are for your own on-page check; nothing is saved or submitted.
A collar isn't always the walking answer
When to use a harness instead
If your dog pulls continuously, has a sensitive neck or needs a different type of restraint, a correctly fitted harness may be the better lead attachment. Many owners use a collar for identification and a harness for walks. The aim is comfortable, secure handling alongside training, not relying on pressure to teach a behaviour.
If there are signs of pain, repeated coughing, breathing difficulty or injury, stop using the equipment and seek veterinary advice.
Explore the range
PK9 collars worth comparing
These are real products from the PK9 catalogue, not universal recommendations. Each product card uses Shopify's current image, title and displayed price; follow the product link to check sizing, options and availability.
Just A Collar - For When All You Need Is A Simple Dog Collar
From AUD 35.00 View product
Leather Dog Collar - Made With Premium Hermann Oak Leather
AUD 120.00 View product
The Inferno Leather Dog Collar – Premium Padded Leather Collar
From AUD 175.00 View product
6mm Biothane Slip Collar – Lightweight Control
AUD 35.00 View product
Dog Training Obedience Slip Collar – Precision Control Collar
AUD 34.99 View product
Biothane Tactical Dog Collar
From AUD 160.00 View product
Tactical Leather Dog Collar
AUD 499.00 View product
Custom Made Dog Collars – For Your Dog’s Unique Style
AUD 10.00 View productMade-to-order and custom products may show a deposit or starting price rather than the final quoted amount. The product page explains the applicable process.
Quick answers
Collar questions, answered
Still deciding? These are the details that most often make the difference.
Is a martingale collar the same as a slip collar?
No. A martingale is designed to have a limited tightening range when correctly adjusted. A slip collar can continue to tighten under tension. Both need appropriate sizing and supervised use; neither should put sustained pressure on your dog's neck.
What collar is best for a dog that pulls?
There isn't one collar that fixes pulling. A suitable harness often makes more sense as the walking attachment for a dog that pulls hard, together with reward-based loose-lead training.
Is BioThane better than leather?
Not in every situation. BioThane is convenient for wet and muddy use because it's easy to wipe down. Leather has a different feel and finish but generally needs more care. The correct fit and hardware matter with both.
Can my dog wear a slip or martingale collar all day?
Don't leave tightening collars on unattended dogs, including during sleep or rough play. They can catch on objects or other dogs and create an injury risk. Follow the manufacturer's fitting advice and use the right equipment for the situation.
How do I choose a collar for a puppy?
Start with a light, well-fitted option appropriate for the puppy's current neck size. Recheck frequently as they grow. Avoid selecting a collar that is too large just to allow for future growth.
What if the standard sizes don't fit my dog?
Take your dog's actual measurements and contact PK9. The custom collar service offers a way to discuss material, fit and hardware for a made-to-order design.