1. Identify purpose of the safety gloves
Identify the purpose of hand protections is important. For example Is it used for chemical handling, construction work, medical industry etc. If wrong selection is made, it could be as dangerous as not wearing any hand protection at all.
2. Standards for safety gloves
EN 420 is the common standard where all safety gloves suppose to meet. If the gloves do not meet this standard, you will not be considering it.
EN388 is the European safety standard for protective gloves against mechanical risks. It is used in conjunction with EN 420 standard to cover general requirements and test methods