Rangers Cloak (3.5e Equipment)
From D&D Wiki
Rangers Cloak: A Rangers’ cloak is a grey-green cloak with alternating patterns which, whilst in the light of a forest, jungle or similar terrain, and dark area's , blends in to the surrounding area. When in a forest, jungle or similar terrain, characters using this cloak gain a +4 circumstance bonus on Hide checks; + 5 for not being seen while not moving.
Market: 6,000 gp (+2). Master work 12,000 gp.
CL ; Craft Wondrous Item, cat's grace; Market Price: Varies