Walking gear isn't one-size-fits-all, and the right choice depends more on your dog's habits than on looks.
Collar or harness?
A collar is fine for a dog that walks calmly and mostly needs it for ID purposes. A harness distributes pressure across the chest rather than the neck, which makes it a better fit for dogs that pull, have a sensitive throat, or are still learning leash manners.
Getting the fit right
You should be able to fit two fingers comfortably between the collar or harness and your dog's body — snug enough that it won't slip over the head, loose enough not to rub or chafe.
Material matters
Leather softens and molds over time and tends to last for years with basic care. Webbing is lightweight and quick-drying, which suits dogs that swim or get muddy often.
The leash
A standard fixed-length leash gives the most control on city walks, while a pull-resistant design with reinforced stitching is worth it for strong or enthusiastic pullers.
None of this needs to be complicated — match the gear to how your dog actually walks, and comfort usually follows.