Silly jester outfit equipped.
Silly jester costume is obtained during The Fremennik Isles quest. Each piece gives a small magic defence bonus, and a small negative range defence bonus. Most noteably, the Silly jester boots are a cheaper alternative to boots with magic defence, tied with the magic defence of Infinity boots. This can be taken advantage of when facing bosses or monsters that deal magic damage, such as Dagannoth Prime.
The costume consists of:
If a player were to lose any part of their Silly jester costume set, they can get them back by searching the king's chest on Jatizso.