The Fallen Skies
Rat Killer's Coat
Level 7 Uncommon
This fur-trimmed jacket is favored by all who must deal with dangerous vermin.
Price: 2,600 gp
Armor: Cloth, Leather
Enhancement: +2 AC
Property: You gain resist 5 against damage from swarms’ attacks. In addition, you can move through a space occupied by a swarm, and your movement doesn’t provoke opportunity attacks from swarms.
This was taken from the wereboar, Lavrenti durOrgagne.