Knee protectors with the EN 14404:2004+A1:2010 rating are tested for protection against continuous pressure, penetration by sharp objects, and impact absorption. This ensures the knee pads provide adequate safety and comfort, helping to prevent injuries when kneeling.

Oeko-Tex Standard 100 is a product certification program for textiles, which is awarded by the Oeko-Tex Association. This program verifies that the textile products are free from harmful chemicals. To be able to use the Oeko-Tex Standard 100 label, a product must meet certain requirements set by the Oeko-Tex Association which include limits on the levels of harmful substances such as pesticides, heavy metals, and formaldehyde. The textile products are inspected and certified by Oeko-Tex, they can use the Oeko-Tex Standard 100 label on their packaging to show that they are free from harmful chemicals. This certification is for all types of textiles, from raw materials to finished products, and it is globally recognized.

PPE stands for "personal protective equipment." PPE Category 2 refers to equipment that is more complex, and has a higher level of risk. Examples of PPE Category 2 include safety helmets, ear protection, and fall arrest equipment. In Europe, PPE Category 2 must meet certain safety standards set by the European Union, which means that it must be designed and manufactured to protect the user without causing harm. Companies that make or sell PPE must prove that it meets these standards. They also must have a quality management system in place and have to be audited regularly by a notified body.