At Bisou Dog, we curate exclusively for dogs between 2kg and 12kg. Every product we stock is evaluated against strict small-dog fit standards — not scaled down from big-dog defaults.
This guide will help you find the right fit across clothing, harnesses, leashes, and shoes. A millimetre makes the difference between comfort and restriction.
Still unsure after measuring? WhatsApp us with your dog's breed, weight, and measurements. We reply with sizing advice within 24 hours.
How to Measure Your Small Dog
Measure while your dog is standing naturally — never sitting or lying down.
Use a soft measuring tape. Wrap the tape snugly:
- For dogs under 4kg, leave room for one finger.
- For dogs 4-12kg, leave room for two fingers.
A snug fit improves control, reduces friction, and prevents twisting or slipping — especially important for fine-boned dogs.
Neck for Collars
Neck for Collars
Measure the base of the neck where a collar naturally sits.
Chest and Back for Harnesses and Clothing
Chest and Back for Harnesses and Clothing
Chest (Girth)
This is the most important measurement. Wrap the tape around the widest part of the ribcage, just behind the front legs.
Chest fit determines comfort, mobility, and breathing for almost every product.
Back Length
Measure from the base of the neck (between the shoulder blades) to the base of the tail.
Clothing should stop just before the tail begins.
Paws Width for Shoes
Paws Width for Shoes
Place your dog's paw on a flat surface with weight evenly distributed. Measure the widest point across the paw. For shoes, also measure length from heel pad to the tip of the longest toe. Always measure both front paws and use the larger measurement.
Between Sizes? How to Choose
For small dogs, slightly snug is almost always better than loose. Oversizing leads to bunching, tripping, rubbing under the arms, and poor posture.
When to Size Down
Most small dogs are more comfortable in a snug fit, especially around the chest and shoulders. This applies to most dogs between 2kg and 8kg with fine or average bone structure.
Select the smaller size for: sweaters, bodysuits, snoods, collars, and jackets.
A closer fit retains warmth, looks more refined, and prevents fine-boned breeds from slipping out. Clothing should stop just before the tail.
Example: If your dog measures between 32cm and 36cm, choose 32cm.
When to Size Up
Broad-chested breeds: French Bulldogs, Pugs, Boston Terriers require extra breathing space.
Puppies under 8 months still growing.
Layering: if the item will be worn over other clothing.
Harnesses for active pullers or recovery suits.
Breed-Specific Fitting
Wide Chest (Frenchie, Pug, Boston Terrier)
Wide Chest (Frenchie, Pug, Boston Terrier)
Strategy: Size Up
Prioritize chest width over back length.
Long Body (Dachshund, Corgi)
Long Body (Dachshund, Corgi)
Strategy: Prioritize Girth
Ensure chest fit allows full movement.
Fine-Boned (Chihuahua, Yorkie)
Fine-Boned (Chihuahua, Yorkie)
Strategy: Size Down
Lightweight hardware avoids neck strain.
Fluffy Coat (Pomeranian, Maltese)
Fluffy Coat (Pomeranian, Maltese)
Strategy: Measure Deep
Measure under the fur, against the skin.
Leash Sizing: Width and Clasp Weight
For small dogs, leash selection is about weight distribution, not strength. A leash that's too wide or a clasp that's too heavy alters gait and causes fatigue.
Recommended widths:
- Toy dogs (2–4kg): 6mm
- Small dogs (4–8kg): 8–10mm
- Medium-small dogs (8–12kg): 10mm
Clasp weight matters. Look for small, lightweight clasps scaled for dogs under 12kg. Avoid oversized carabiners or heavy swivel hooks. For dogs under 4kg, the clasp should feel almost weightless in your hand.
Properly scaled hardware prevents downward pull on the neck and preserves natural movement.
Shoe Sizing: How to Measure Paws
Dog shoes must protect without restricting natural paw spread.
How to measure:
- Place your dog's paw on a flat surface with weight evenly distributed
- Measure width at the widest point
- Measure length from heel pad to the tip of the longest toe
- Measure both front paws — use the larger measurement
Fit tips: Shoes should fit snugly without compressing toes. Don't size up "for comfort" — excess space causes slipping. For dogs under 5kg, lightweight flexible soles are essential.
Between sizes? Choose the smaller one unless the product specifies otherwise.
Why Precision Matters
For small dogs, fit is a health issue — not a styling detail.
Trachea protection: Y-shaped harnesses distribute pressure across the chest, never the throat. Essential for toy breeds with respiratory sensitivity.
Spinal health: Proper fit supports natural gait, especially in long-bodied breeds like Dachshunds.
Joint protection: Reduced bulk prevents altered movement patterns that stress small joints over time.
Every product at Bisou Dog is selected based on strict criteria: weight-appropriate hardware, refined proportions, reduced bulk, and suitability for dogs under 12kg.
Frequently Asked Questions
Which measurement matters most?
Which measurement matters most?
Always prioritize the chest. If the chest fits correctly, the rest usually follows.
How do I know if the fit is wrong?
How do I know if the fit is wrong?
Observe your dog's gait. If they freeze, refuse to walk, or scratch at the product, the fit is likely restricting their shoulders or rubbing under the front legs.
Can I get help with sizing?
Can I get help with sizing?
Yes. WhatsApp us with your dog's breed, weight, and measurements. We respond within 24 hours.
Not pets. Family.
Because family deserves the right fit.
