These track pants have buttons on the side that can be opened. They are called popper pants.

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Shown above were a popular style in 90's called popper joggers. They had buttons on the side for easy removal. Popper joggers were also comfortable and an every…

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Kendall Jenner, Bella Hadid and Rihanna reignite the 90s Adidas 'Popper Jogger' trend… but is this a look that should jog off?

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View this item and discover similar for sale at 1stDibs - VALENTINO 2018 green pleated stripe cut out popper button wide track pants IT36 Brand

VALENTINO 2018 green pleated stripe cut out popper button wide track pants IT36

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Wearing athletic clothes as outfits has become more popular