FIE (Fédération Internationale d'Escrime) approved fencing gear meets the safety standards set by the international governing body for fencing. Non-FIE gear is typically less expensive but may not meet the same safety standards as FIE gear. If you're planning to compete at a high level, you will need FIE-approved gear. However, for beginners or casual fencers, non-FIE gear is often sufficient.