Under Armour’s enthusiastic Chief Executive Kevin Plank says he “loves The Post.” When I introduced myself on Monday, he immediately whipped out his phone and pointed to his Post app, front and center. “I look at it every morning” he added.

In town from Baltimore to provide Tuesday’s keynote address at the Javits Center for the International Council of Shopping Center’s conference, Plank also shared that men like to show him their Under Armour undies.

“Hospitality in my business is typically measured by the amount of grown men who walk up to me and pull down their pants — at least their waistband — and say, ‘Hey, Under Armour guy, I like your stuff, I’m wearing it.’ ”

Calling it “a historic moment” for his brand, UA will be the official outfitters of Major League Baseball starting in 2020, with teams wearing the Under Armour mark on their right chest.

“If there are traditionalists and you have problems, we dealt with this, we put the logo in the ivy at Wrigley — no difference,” Plank declared.

“This is baseball, this is sports but this is also reality and a massive opportunity and a great partnership of two terrific brands.”

As consumers now need to have special experiences to get them in the stores, Plank said they have reinvented the “wall of shoes” with some interactive spinning devices.

Company shares popped 1.6 percent Tuesday, to $30.94.