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High wearing comfort thanks to thick padding
Matching accessories available
Measure the chest circumference at the widest point behind the front legs.
A - Chest circumference
B - Chest bridge (length)
C - Width of leather strap
Size 1
A: 33-40 cm | B: 23 cm | C: 1.5 cm
Recommended dog weight: 2-3.5 kg
Suitable for*: Chihuahua, Russkiy Toy, Prague Rattler, Yorkshire Terrier, Toy Poodle, Papillon, Miniature Spitz (very small), Miniature Pinscher (slim), Maltese (very small), small mixed breeds
Size 2
A: 35-44 cm | B: 27 cm | C: 1.5 cm
Recommended dog weight: 3-5 kg
Suitable for*: Maltese, Havanese (small type), Bichon Frisé (small), Shih Tzu (slim), Miniature Dachshund, Cavalier King Charles Spaniel (small type / slim)
Size 3
A: 39-52 cm | B: 30 cm | C: 1.5 cm
Recommended dog weight: 5-8 kg
Suitable for*: Jack Russell Terrier, Parson Russell Terrier, Miniature Schnauzer, West Highland White Terrier, Shih Tzu (strong), Havanese (strong), Cavapoo (small type), Cockapoo (small type)
Size 4
A: 45-60 cm | B: 36 cm | C: 1.5 cm
Recommended dog weight: 7-12 kg
Suitable for*: Jack Russell Terrier (strong), Pug (slim), French Bulldog (very slim), Beagle (small type/slim), Boston Terrier, medium-sized mixed breeds (slim)
Size 5
A: 52-70 cm | B: 40 cm | C: 1.5 cm
Recommended dog weight: 11-15 kg
Suitable for*: Beagle (normal), Pug (stocky), French Bulldog (normal), Boston Terrier (stocky), Cocker Spaniel (very slim)
*Important note: There may be differences in physique within the same breed. The breed recommendation is for guidance only and is not a guarantee. To determine the right size, we always recommend measuring the chest circumference.

Do you already know all the benefits
Why you and your four-legged friend will love the Pico harness
We have analysed over 100,000 product reviews, surveyed over 20,000 customers and conducted 50 long-term tests. In doing so, we identified the following problems and, of course, solved them:
Perfectly matched for
5 coordinated sizes with specially adapted, lightweight hardware. Designed for small dogs and for an optimal fit as well as maximum wearing comfort, even for special body shapes like Dachshunds or French Bulldogs.


Painful chafing, sharp edges and no padding? Not with the harness from William Walker.

Premium nappa leather
Full-grain Nappa leather with elaborately folded edges. This avoids sharp and rough edges, which can not only be very uncomfortable for your four-legged friend but can also cause inflammation and skin irritation.
Tear-resistant nylon lining
To increase tensile strength and prevent the stretching that is common with most other harnesses, a hidden nylon insert has been worked into the inner side. This way your harness retains its shape even after extended use.
Ultra-soft padding
For maximum wearing comfort, the inside of the chest plate is fitted with thick padding. This makes the harness pleasantly soft for your four-legged friend, even when under tension.
Don't trust us - trust in:
Over 50,000 happy customers

Bekannt aus
Premium cowhide leather
Solid brass
Small dogs and puppies
Superior wearing comfort thanks to soft leather, padding and optimal pressure distribution on the sternum.
Crafted with care by hand
Leash, collar, poop bag dispenser and treat bag
Our Ambassadors


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