Balaclava

[Witness]

Main Entry: bal·a·cla·va

Pronunciation: \ˌba-lə-ˈklä-və, -ˈkla-\

Function: noun

Etymology: Balaclava, Crimea, site of a British encampment during the Crimean War

Date: 1941

: a knit cap for the head and neck —called also balaclava helmet

 

This is an Under Armor version:

 

 

This will keep your head cool under your helmet and cover up your neck between your undersuit and helmet bottom. This is similar to what was worn under the helmets in the film. Of course, they did not have the same materials we do now, so we can improve the process to keep cool.