Shield Hat

Shield Hats are magical objects created by Fred and George Weasley and sold by Weasleys' Wizard Wheezes. These hats are enchanted with a Shield Charm and, when worn, shield the wearer from many light to moderate curses, jinxes, and other unfriendly spells. They are quite useless against the more powerful spells, though, including the Unforgivable Curses.

Shield Hats are widely used by Ministry of Magic officials, and are supplied to them by Weasley's Wizard Wheezes.