This Labor Day weekend, from September 3 through 6, Italy’s iconic automotive marque Maserati and the haute haberdasher La Martina will show how the posh play when they team up for the USPA Maserati Silver Cup polo tournament in Santa Barbara, Calif. The third stop on the Maserati Polo Tour, the tournament at the Santa Barbara Polo & Racquet Club is considered by many to be one of the sport’s top four U.S. competitions.

Already renowned for pairing elegance and power, Maserati was naturally attracted to…