There are a ton of fake sites like this, especially for high-end clothing. It's all just a way for them to get your credit card info.
The giveaways are
1) ridiculously low prices
2) product images taken from somewhere else
3) inventory being crazy high (2,781 pairs of Guidi boots available, even though they probably don't even make that many in a year)
4) no real contact info (when you click on their contact page, there's no number you can call or address you can refer...