Smerch-S is cheaper copy of Smersh vest. It's made from worse fabric. This vest good choice for newbies, when you need something for start in Russian Kit, and you don't want to waste a lot of monies.
This vest made from oxford material, and it's very light, around 1.5 kg. All pouches same as on smersh vest - two double SVD pouches with granade pouches and small backpack on back.
One size fits all. Universal size for everyone (from 40 till 64 size)
Azimut SS

Azimut SS experts tactical handling systems developed and manufactured since 2003, holsters, rucksacks, backpacks, universal pouches, etc. Azimut have repeatedly assisted the Special forces - MVD, FSB, the Russian Army, the Ministry of Emergency Situations in the composition of equipment and uniforms for fighting in hot spots like in the mountain, and on the plains.