Not sure where Silent Leggings is? We've got you covered!
Afterimage – Flower mark place (accessories)
The Silent Leggings is one of the thematic tools in Afterimage. It follows the same as the other equipment which is Silent Mask and Silent Robe.
That said, Silent Leggings offer decent defense and bonuses to your HP and MP. However, as with most items in the game, you must obtain it from a specific location.
This guide will show you where the exact location is.