Stab-proof refers to the ability of a material or garment to resist or prevent penetration from a stabbing or thrusting motion, typically caused by a knife, pointed object, or similar weapon. A stab-proof item, such as a vest or clothing, is designed to absorb and disperse the force of a stabbing attack, making it difficult or impossible for the weapon to penetrate through the material and injure the wearer.

However, it's important to note that the term "stab-proof" is not absolute. A stab-proof garment may significantly reduce the risk of injury from a stabbing, but it might not offer 100% protection in every scenario. The effectiveness of stab-proof clothing depends on factors like:

1. Material Composition: Common materials used in stab-proof clothing include Kevlar, Carbon Fiber, Dyneema, and Spectra, which are strong, durable, and resistant to cuts and punctures.

2. Design and Construction: Stab-resistant vests and jackets often include multiple layers to disperse the force of an attack, making it more difficult for a weapon to penetrate the garment.

3. Weapon Type: The effectiveness of stab-proof clothing can vary depending on the type of weapon used. While it may be highly effective against knives, it might offer less protection against a sharp object with a smaller or differently shaped point.

In summary, stab-proof generally refers to materials and garments that provide a high level of protection against stabbing attacks, though no material can guarantee complete safety in all circumstances.