Olaf's All Purpose Shield

Olaf's All Purpose Shield has a high armor value, and a minor stamina buff. It also has a fun special ability that enables the user to reduce their fall speed for 10 seconds. It is unobtainable by Alliance players, as the Vikings are friendly to the Alliance.

Source
This item drops from Olaf in Uldaman.

Trivia

 * In The Lost Vikings, Olaf could float down and check out lower areas with his shield, as well as block enemies with it.