How to Properly Fit a Waterproof Martingale Collar on Your Dog
By Maxandneo | Published: 2026-08-01
Category: How-to Guides
Learn step-by-step how to fit a waterproof martingale collar correctly, ensuring safety, comfort, and control for your dog.
A martingale collar is a popular choice for dog owners who need extra control without the choking risk of a choke chain. When combined with a waterproof material, it becomes an excellent option for active dogs who love to swim or play in the rain. However, a martingale collar only works effectively if it’s fitted properly. An ill-fitting collar can cause discomfort, injury, or even allow your dog to slip out. In this guide, we’ll walk you through the steps to ensure a perfect fit for your waterproof martingale collar.
Whether you’re a new dog owner or a seasoned pro, understanding how to adjust a martingale collar is crucial. We’ll cover everything from measuring your dog’s neck to fine-tuning the fit, so you can walk with confidence knowing your pup is secure and comfortable.
Why a Proper Fit Matters
A martingale collar is designed to tighten slightly when your dog pulls, preventing them from backing out of the collar. This gentle pressure is distributed evenly around the neck, reducing the risk of injury compared to traditional choke collars. However, if the collar is too loose, it may slip off; if it’s too tight, it can cause discomfort or breathing issues.
For waterproof martingale collars, the material often has less stretch than fabric collars, so getting the size right is even more critical. A well-fitted collar ensures that the martingale loop functions as intended, giving you control during walks and training sessions.
- Prevents slipping and escaping
- Reduces risk of neck injury
- Ensures effective training tool
- Increases comfort for your dog
Step 1: Measure Your Dog’s Neck
Before you can fit a martingale collar, you need to know your dog’s neck size. Use a soft measuring tape and wrap it around the widest part of your dog’s neck, usually just behind the ears and down to where the collar naturally sits. Make sure you can fit two fingers comfortably between the tape and your dog’s neck to allow for breathing and comfort.
Record this measurement and compare it to the sizing chart provided by the manufacturer. Most martingale collars come in sizes like small, medium, large, and extra-large, but the actual measurements can vary. If your dog is between sizes, it’s usually better to size up, as you can always adjust the collar tighter.
- Use a flexible tape measure for accuracy
- Measure at the widest part of the neck
- Keep two fingers' space for comfort
Step 2: Adjust the Collar Length
Once you have the correct size, it’s time to adjust the collar. Most martingale collars have two loops: the larger loop that goes around your dog’s neck and the smaller control loop where you attach the leash. The larger loop should be loose enough to slip over your dog’s head easily, but not so loose that it hangs down.
To adjust, slide the buckle or the adjustment slider to change the length of the larger loop. Start with the collar at its loosest setting and then gradually tighten it. The goal is to have the collar sit high on the neck, just behind the ears, with the martingale loop resting comfortably. You should be able to fit two fingers between the collar and your dog’s neck when it’s not under tension.
- Adjust the large loop first
- Ensure the collar sits high on the neck
- Check for two-finger clearance
Step 3: Check the Martingale Loop
The martingale loop is the smaller loop that tightens when your dog pulls. When the collar is properly fitted, this loop should be snug but not tight when your dog is relaxed. When your dog pulls, the loop should tighten gently to prevent slipping, but it should never choke your dog.
To test the fit, have your dog wear the collar for a few minutes and observe their behavior. If they seem uncomfortable or are scratching at the collar, it might be too tight. If you can easily pull the collar over their head, it’s too loose. Adjust accordingly until it feels just right.
- The loop should tighten only when pulled
- Your dog should be able to swallow and pant normally
- Never leave the collar on when unsupervised
Step 4: Test the Fit with a Leash
The ultimate test of a martingale collar fit is how it performs on a walk. Attach a leash to the control loop and take your dog for a short walk. Watch how the collar behaves when your dog pulls. The collar should tighten slightly and then release when your dog relaxes. If the collar stays tight, it’s too small; if it doesn’t tighten at all, it’s too loose.
Also, check that the collar doesn’t rotate around your dog’s neck. A properly fitted martingale collar should stay in place, with the control loop on top. If it spins, you may need to adjust the fit or consider a different style, like a double handle harness for better control.
- Observe the collar's response to pulling
- Ensure the control loop stays on top
- Adjust as needed during the walk
Common Mistakes to Avoid
One of the most common mistakes is fitting the martingale collar too loosely. This defeats the purpose of the collar and can allow your dog to escape. Another mistake is placing the collar too low on the neck, which can put pressure on the throat and cause coughing or discomfort.
Additionally, some owners forget to adjust the collar as their dog grows or changes weight. Regularly check the fit, especially for puppies or dogs that fluctuate in weight. If you notice any signs of chafing or hair loss, the collar may be too tight or made of a material that irritates your dog’s skin.
- Avoid fitting too loose or too tight
- Position the collar high on the neck
- Recheck the fit periodically
Choosing the Right Waterproof Martingale Collar
When selecting a waterproof martingale collar, consider the material. Nylon is a popular choice because it dries quickly and is durable. Some collars come with reflective stitching for visibility during evening walks, which is a great safety feature. The Martingale All Nylon Dog Collar - Bees, Dinosaur, Red Poppies & Life is Better is an excellent example of a stylish yet functional option that offers multiple designs to suit your dog’s personality.

If you’re looking for a collar that can withstand water activities, ensure the hardware is rust-resistant. Stainless steel or coated metal buckles are ideal. Additionally, consider the width of the collar; wider collars distribute pressure better and are more comfortable for larger dogs.
- Choose durable, quick-drying materials
- Look for rust-resistant hardware
- Consider reflective options for safety
Fitting a waterproof martingale collar properly is essential for your dog’s safety and comfort. By following these steps, you can ensure a secure and comfortable fit that will make walks and training sessions more enjoyable for both of you. Remember to regularly check the fit and adjust as needed. If you’re in the market for a new collar, consider the Martingale All Nylon Dog Collar - Bees, Dinosaur, Red Poppies & Life is Better for a stylish and functional choice that your dog will love.



