Yup definitely fake!
Ever heard of "Boli-shopping" (paseo de compras)??? That's where you get your fake Louis , too! and pretty much everything from socks to jackets to movies, the list is endless. We call it Boli-shopping because it is mainly Bolivian immigrants working there.
When my brother came to visit, he wanted some Argentina futbol sweatpants....
Adidas = 279 pesos
Boli-shopping = 50 pesos
Guess what he got???