Ermenegildo Zegna

Though there are plenty of suits constructed specifically for warm weather (think numbers that are gracefully unlined or in breathable linen or seersucker), when it comes to tuxedos, it is a different story. The formal piece needs a bit of weight and lining in order to hold its sharp shape, and the elegant luster of wool is hard to replicate in other materials. That said, this midnight-blue shawl lapel tuxedo ($4,195) from Ermenegildo Zenga is as close as it gets to a summer-weight style. It is made out of an ultralight blend of wool and silk and weighs just seven ounces, ensuring that you stay as cool as possible as the party heats up around you.

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Suit

Photo: Courtesy Ermenegildo Zegna