The bumster is back.

One of Alexander McQueen’s most iconic creations, the ultra-low-rise pants were the foundation for Seán McGirr’s spring collection, which brimmed with erotic tension.

The label’s creative director paired them with everything from military-style jackets to frilled corsets or a cropped chainmail top. McGirr also worked the swooping waistbands into skirts, bandeau shorts and cargo pants, some with open zips for added exposure.

He said the show, staged on a circular set dotted with maypoles, was inspired by “The Wicker Man,” the 1973 British folk horror film set on a fictional Scottish island where residents practice a form of Celtic paganism.

“There’s a kind of sexual energy in this film and in the girl that I wanted to put forward, and the bumster was the first thing

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