Doggie Design
Doggie Design Cool Mesh Dog Harness – Under the Sea Collection (XS–L)
Doggie Design Cool Mesh Dog Harness – Under the Sea Collection (XS–L)
Size Chart
Size Chart
🐾 Cool Mesh Size Chart
A simple guide to help you pick the right fit.
Measure your dog’s chest and back length for the best results.

How to Measure Your Dog
Chest: Measure around the widest part of the ribcage.
Back Length: Measure from the base of the neck to the base of the tail.
Tip: If your dog is between sizes, choose the larger size for comfort.
How to Measure Your Pet
How to Measure Your Pet
🐾 How to Measure Your Pet for the Perfect Fit
Choosing the right size helps your dog stay comfortable, safe, and happy. Here’s a simple, step‑by‑step guide to get accurate measurements every time.
1. Chest (Girth) — The Most Important Measurement
This is the widest part of your dog’s body.
• Wrap a soft measuring tape around the rib cage, just behind the front legs
• Make sure the tape is snug but not tight
• This measurement determines the correct size for most harnesses and coats
Tip: If your dog is between sizes, always size up for comfort.
2. Neck
Measure where your dog’s collar naturally sits.
• Wrap the tape around the base of the neck
• Leave enough room to fit two fingers under the tape
• This ensures the harness or coat won’t rub or feel restrictive
3. Back Length
This is important for coats, sweaters, and some apparel.
• Have your dog stand naturally
• Measure from the base of the neck (where the collar sits)
• Down to the base of the tail
• Keep the tape straight along the spine
4. Weight (Optional but Helpful)
Some products use weight as a secondary guide.
• If your dog is close to the top of a size range, weight can help confirm the best fit
⭐ Pro Tips for Accurate Measuring
• Measure your dog while standing, not sitting
• Take each measurement twice to be sure
• If your dog is fluffy, measure with the tape against the body, not over the fur
• When in doubt, size up — comfort matters more than a tight fit
🐶 Need Help Choosing a Size?
If you’re unsure, send us:
• Your dog’s breed
• Chest, neck, and back measurements
• Your dog’s weight
We’re happy to help you pick the perfect size.
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Lightweight, breathable, and perfect for warm weather — the Doggie Design Cool Mesh Dog Harness from the Under the Sea Collection keeps your dog cool, comfortable, and secure on every walk. Made with ultra‑breathable mesh and reinforced stitching, this harness delivers airflow, comfort, and safety in a simple step‑in design.
🌬️ Why Pet Owners Love It
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Ultra‑Breathable Mesh — Ideal for hot days, active pups, and summer adventures.
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Step‑In No‑Choke Design — Protects the neck and distributes pressure across the chest.
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Triple‑Safety Closure — Hook & loop, quick‑release buckle, and reinforced D‑ring for secure leash attachment.
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Under the Sea Prints — Fun, ocean‑themed designs that stand out on every walk.
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Lightweight & Comfortable — Great for long outings or all‑day wear.
📏 Available Sizes (XS–L)
Perfect for small dogs and toy breeds. For best results, measure around the widest part of the chest.
🐾 Perfect For
Summer walks, beach days, outdoor adventures, car rides, and dogs who need a breathable, gentle‑fit harness.
Size |
Chest |
Neck |
Weight (pounds) |
|
X-Small |
10”-13” |
7”-10” |
3-5 |
|
Small |
13”-16” |
10”-13” |
6-10 |
|
Medium |
16”-19” |
13”-16” |
11-15 |
|
Large |
19”-21” |
16”-19” |
15-20 |
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