I was running through a building and found a pair of Summer Hunting Pants and when I went to pick them up I wasn't able to see them in the "Vicinity" tab of the inventory. After I finally was able to move my mouse cursor over them and pick them up manually, I tried dragging the pants onto my character to equip them and they wouldn't equip properly. All of the other pants so far have been working fine it was just that pair that both me and my friend were having issues with.