To keep the knee protected yet provide efficient mobility was tough in the early middle ages. It was only in the late medieval period that the sturdy poleyns could easily fasten to your armour! This pair of poleyns is HANDCRAFTED from STURDY 16 gauge mild steel; it has comfortable and secure padding on the inside. These fasten with sturdy (3.5 mm thick) GENUINE LEATHER straps and sturdy iron buckles for a snug fit. The historically inspired wing is meant to protect the side of the knee as well, ONE SIZE FIT MOST