Pith helmet
From Tardis Wiki, the free Doctor Who reference
A pith helmet was a headgear used to protect from the sunlight on tropical parts such as Africa and southern Asia.[source needed]
A pith helmet was seen in the wardrobe when the Tenth Doctor chose his outfit. (TV: The Christmas Invasion)
Iris Wildthyme wore a pith helmet and goggles when she, Panda, Simon, and Barbra first ventured out into the jungle on Valcea. (PROSE: Enter Wildthyme)
Godascre and his soldiers wore pith helmets during their encounter with the Twelfth Doctor, Bill Potts, and the Ice Warriors. (TV: Empress of Mars)
K9 Mark III wore a pith helmet on Egypt. (COMIC: City of Devils)
Some pith helmets were seen on the train coach carrying Jack Harkness and his soldiers. (TV: Small Worlds)
