What is Sokol space suit?

The Sokol space suit, also known as the Sokol IVA suit or simply the Sokol , is a type of Soviet/Russian space suit, worn by all who fly on the Soyuz spacecraft. It was introduced in 1973 and is still used as of 2022. The Sokol is described by its makers as a rescue suit and it is not capable of being used outside the spacecraft in a spacewalk or extravehicular activity. Instead, its purpose is to keep the wearer alive in the event of an accidental depressurisation of the spacecraft. In this respect, it is similar to the ACES suit that was worn aboard NASA's Space Shuttle during launch and landing.