The Sfera (Russian:Сфера) (Sphere), officially called STSh-81, are bullet resistant combat helmets of titanium and steel manufactured with protective GOST ratings of 1 and 2 respectively. They are worn by the Internal Troops of the Interior Ministry in the Soviet Union and its successor state Russia. These helmets continue to be used today by the police and special purpose troops.
Unlike most combat helmets, they are not one piece, but consist of three separate plates: two round ones on the sides of the head, and one bow-shaped one that sits on top, stretching from the neck to the forehead. These plates are kept together by a padded cover, with drawstring to adjust the size and fit of the plates. The helmet may also be camouflaged with a helmet cover which appears in such patterns as VSR and Flora.
The SSSh-94 is the successor to the STSh-81 and is currently produced by Classcom. Outwardly similar to its predecessor, the introduction of steel armor allowed for improved quality and protection at the cost of additional weight (The STSh-81 weighs 2.4kg while the SSSh-94 weighs 3.3kg). The steel used in the SSSh-94 is of the same type as that used in the Maska series of helmets.
- "Sphere Helmet (Russian)". Retrieved 11 May 2017.
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