Here's a breakdown of what defines a burr haircut:
* Length: Very short, typically between 1/8 inch (3mm) and 1/4 inch (6mm) all over the head. Some variations might be even shorter.
* Uniformity: The hair is the same length all over, without any fading or tapering.
* Clippers: Almost always achieved using electric hair clippers.
* Maintenance: Extremely low maintenance.
* Appearance: Gives a clean, very close-cropped look. The scalp may be visible, depending on hair density.
In short, it's a very short, uniform buzz cut, often considered the shortest possible style you can get without shaving your head completely.