Enameled with images of ocean waves, this shield eases your way in water.
Arms Slot: Any shield 360 gp
You do not sink beneath the surface of any liquid (unless you choose to do so). Also, gain a +3 item bonus to Athletics checks to swim, and to Endurance checks to swim for an hour or more. Also, you can swim at your speed on the surface of the water (but not underwater).
Published in Adventurer's Vault, page(s) 117.