Whippet Collars and Sighthound Collars: Fit, Comfort and Security
Sighthound collars must be measured at the widest point between head and neck, not just the neck. The collar should fit snugly behind the ears with two fingers of clearance, not rotate freely or slide down. A correctly fitted wide-profile collar prevents the most common failure: a dog reversing out when startled.
Sighthounds are built like elegance on stilts. Long neck, narrow head, and a special talent for slipping out of anything that is even slightly the wrong shape.
That is why sighthound collars exist. Not for fashion, for fit, comfort and security.
This guide covers whippet collars, lurcher collars and sighthound collars more broadly, including how to measure correctly, what width is needed, and which materials make sense for real life.
Why sighthound collars are wider
A wider collar distributes pressure more comfortably across the neck, and it sits more securely on breeds with slim heads and long necks. Standard buckle collars sized for the neck will often slip over a whippet or greyhound's head when the dog backs up, spooks or reverses. The width of a proper sighthound collar, combined with correct measurement, prevents that.
For breed-specific equipment guidance, rescue organisations often publish fitting advice. The Greyhound Trust is a useful reference for greyhound-type collar fitting.
How to measure a whippet or sighthound collar correctly
Standard dog collar fitting measures the neck circumference. For sighthounds, you also need to measure the widest point between the base of the skull and the shoulders. This is the measurement that determines the correct fit for security, it is wider than the neck measurement and must be accounted for in the collar size.
Use the Green Dog measuring guide for step-by-step instructions specific to each collar type.
How a whippet collar should fit
- Sit snugly behind the ears, not down the neck
- Allow two fingers underneath at the front
- Not spin freely around the neck
- Not slide down easily when the dog dips their head
Fit is everything. If the collar is loose, it is not more comfortable, it is more likely to come off.
Materials for sighthound collars
| Material | Best for | Maintenance | Notes |
|---|---|---|---|
| BioThane® | Daily use, wet walks, water dogs | Wipe clean | Stays stable in width and shape, ideal for active sighthounds |
| Leather | Classic look, dry conditions | Occasional conditioning | Softens and shapes over time, excellent long-term fit |
| British wool | Mild conditions, sensitive coats | Spot clean | Soft against the coat, not recommended for swimming |
| Paracord & BioThane® | Daily use, precise fit needed | Spot clean | Adjustable strap allows very precise neck measurement |
The Cotswold Rambler, designed for sighthounds
The Cotswold Rambler is Green Dog's BioThane® sighthound collar, made to the wide profile required for secure fit on narrow-headed breeds. Available in every BioThane® colour combination, made to your dog's individual measurement.
Shop sighthound and whippet collars
Cotswold Rambler BioThane® →Heritage leather sighthound collar →All sighthound collars →Measuring guide →Frequently asked questions
What size collar does a whippet need?
Whippet neck circumferences typically fall between 28-38cm, but the critical measurement is the widest point between skull and shoulders, this is wider than the neck and determines the correct collar size for security. Always measure both and use the larger measurement to size a sighthound collar. The Green Dog measuring guide has specific instructions for this.
Can a whippet slip out of a regular collar?
Yes, very easily. Standard buckle collars sized for the neck can slip over a whippet's narrow head when the dog backs up or spooks. A wide-profile sighthound collar fitted to the correct measurement (widest point between skull and shoulders) is the only reliable way to prevent this.
What is the best collar for a greyhound?
A wide-profile BioThane® or leather sighthound collar, measured to fit the widest point between skull and shoulders. BioThane® is the most practical material for daily use, wipe-clean, waterproof and stays stable in shape. Leather is the classic choice and softens to the dog's shape over time. Both options are available in the Green Dog sighthound collar range.
Do lurchers need special collars?
Yes. Like greyhounds and whippets, lurchers have a narrow skull relative to their neck circumference. A standard collar sized for the neck will often slip over the head. A wide-profile sighthound collar with a correct measurement taken at the widest point between skull and shoulders is essential for security.
How wide should a sighthound collar be?
Most sighthound collars are between 40mm and 55mm wide. The width serves two purposes: distributing pressure comfortably across the neck, and creating a profile wide enough that the collar cannot slide over the skull. The exact width depends on the individual dog, a larger greyhound benefits from a wider profile than a smaller whippet.
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