The material below is Open Game Content from a 3PP Source
Vest of the Cockroach
Aura faint necromancy; CL 3rd
Slot chest; Price 16,000 gp; Weight 2 lbs.
This padded and slightly bulky vest, made from dyed, red-brown cloth, causes its wearer to feel vaguely uncomfortable whenever lying prone. If the wearer is a rogue, she gains the resiliency rogue talent. If she already has this talent, activating the talent grants her 2 hit points per rogue level instead of 1.
Requirements Craft Wondrous Item, false life; Cost 8,000 gp