SRD:Wild

Wild: The wearer of a suit of armor or a shield with this ability preserves his armor bonus (and any enhancement bonus) while in a wild shape. Armor and shields with this ability usually appear to be made covered in leaf patterns. While the wearer is in a wild shape, the armor cannot be seen.

Moderate transmutation; CL 9th; Craft Magic Arms and Armor, baleful polymorph; Price +3 bonus.