MOSCOW — Russia's federal guard service, in charge of protecting President Dmitry Medvedev and Prime Minister Vladimir Putin, may soon sport black leather overcoats harking back to the era of Stalin's purges. The elite service known by its Russian acronym FSO has launched a tender to purchase 60 leather trenchcoats on the official site for government purchases, instantly drawing tongue-in-cheek criticism from Russian bloggers.
Long leather trenchcoats are infamously associated with uniforms of Soviet NKVD secret police, worn by its low-ranking officers at the height of Stalin's pre-war purges in the late 1930s.

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You can use either Waterstop if it is a soft buffed leather
http://www.lttsolutions.net/product.asp? product=34
or Ultra Protect if it is an absorbent leather
http://www.lttsolutions.net/product.asp?