Captured Soviet soldier dressed in SN-42 body armor, 1944
http://rarehistoricalphotos.com/soviet-soldier-sn-42-body-armor-1944/
More SN-42. In addition, I want to say:
Wadded jacket stopped the 9-mm bullet at a distance of 100-meter. Therefore, many soldiers tore a Wadded jacket and put it under the SN-42 for better protection and depreciation.
Army tests SN-42 crew of anti-tank artillery, 1944
The work of the signalman in the SN-42 armor, 1944
Simulation of gun crew during the SN-42 breastplate test with mortar shelling, 1944
Upgraded SN-42, front view, and straps fixation on the body
SN-46
Test results SN-46
Soviet paratroopers with SN-42, 1942
Competitor
Vest of Research Institute No.48. Armored plates of steel 1.8 mm thick, sewn into a fabric waistcoat. Two variants were made - the first provided protection only from the front, the second had also inserts covering the back (the weight was 2 kg and 3 kg respectively).
Leningrad steel breastplates PZ-ZIF-20 and MPZ-ZIF-22