Reasons for not being able to use it: character class, character level.
rec is recommended level ( can be worn if otherwise green title, but any stats will be lower than those viewed by a character of lower level than the rec level. The bazaar menu, available in the bazaar zone, will show max stats in the search. Vew the item to see if your character can wear it and the stats if wearable.)
req is required level. Can be purchased or picked up and placed into inventory, but cannot be equipped/worn.
