it is a website about an association, local section of "CAI" acronym for "Italian Alpine Club". CAI is an Italian National Association, with a lot of association centers across Italy. The website is related with the location of "Campobasso" the main town of Molise Region. CAI organizes excursions for people passionate about hikyng and mountains.
caicampobasso.it is a counterfeit goods scam or fake web store from China selling copyright infringing items. Usually you get some low quality junk, or very often nothing, and they just steal your money. In many cases it's one way of getting to know your credit card details.
Here is a very typical experience from another scam: