The "Keeping Up with the Kardashians" stars Kim Kardashian West and Kendall Jenner were both spotted at different airports bringing back the track pants.

Travel + Leisure reported that Kim Kardashian West was seen arriving at Le Bourget airport in Paris while model Kendall Jenner was at Los Angeles International Airport. The sisters are both wearing casual cool outfits.

Kardashian West was sporting furry slide sandals. Although the textured sandals may not be for everyone, Kim definitely knows how to rock them.

On the other hand, Jenner was wearing striped track pants. The pants may not only use at home but also publicly.

The fashion's favorite girls stepped out in updated versions of the classic track pants.

Vogue gave us the secret on how to pull off the throwback training staple from morning to night as well as from the airport to the front row.

"Jenner paired her satin-finished Morgan Lane trousers with an oversize Vetements top, but again grounded the look with cool kicks for easy polish.

"But leave it to Kardashian West to up the ante on athleisure dressing. A sheer top adds a feminine vibe while Givenchy's mink slides make for a luxe finish," Vogue wrote.

Travel + Leisure also wrote a guide on how to get the travel style of Kim Kardashian West and Kendall Jenner.

You may purchase a furry slide sandals at for $30 to achieve Kim Kardashian West's eye-catching sandals.

For Kendall Jenner's track pants, you have two options.

Option 1: Striped Track Pants

The satin track pants cropped style gives an opportunity to display a comfy yet dapper pair of kicks. You may get the pants at Urban Outfitters for $29.99.

Option 2: High-Waisted Track Pants

The high-waisted pants may not have the blue stripe, but it is much easier to pair with tops of all textures, colors and designs. You may check out Alexander Wang for $275.