The best thing you can do is to perform some online research for spotting a good online retailer which stocks this type of garments at good prices. If you are still not contented with the results, you need to consider the auction sites where you can get second hand safety vests at bargain prices.
Shopping for the second hand items does not need to disturb you since you will definitely get the same functionality. If your employee does not require you to have a particular type of safety vest, you will have no troubles of doing the research and purchase by yourself.
Purchasing safety vests at a good price should not be such a difficult task taking into account the fact that you know the pros as well as the cons of different types of vests. Not all people need the same type of vest and you will see that is not that difficult to choose the one that is completely suitable for your needs.