America has a new fashion player.

Robert Liptak has introduced a new look for Los Angeles-based label RtA with his auspicious pre-fall men’s and women’s collections debuting for buyers this week in New York.

“RtA was very dark and gothic. I’m bringing more sexiness, playfulness and mystery,” said Liptak, who arrived at the brand three months ago after working as senior designer for women’s ready-to-wear at Tom Ford, and before that in positions for Saint Laurent, Anthony Vaccarello and Rick Owens.

Established in L.A. in 2013, RtA, which stands for Road to Awe, has had a rock ‘n’ roll streetwear vibe, with lots of leather, logos and crosses but not much character.

After launching its first womenswear line exclusively with Bergdorf Goodman, RtA expanded into menswear in 2017 and was named a finalist of the CFDA/Vogue Fashion Fund. At Saks. Fifth Avenue, Bloomingdale’s and other stores, it has been positioned primarily as a denim brand and hasn’t had much of a fashion profile in recent years.

Liptak is changing that, adding a higher level of workmanship and a luxury gloss to the advanced contemporary label.

The women’s pre-fall collection includes great-looking 1930s-met-’90s bias-cut and knotted devoré silk dresses, handkerchief hem skirts, playful silk georgette bra tops with ruffle details and slinky jersey pieces, all sexy in keeping with the moment, but also easy and sophisticated. “The…