Hailey Bieber & Kendall Jenner Head to Pilates in Two Takes on Leather

The model duo demonstrated how to amp your athleisure up a notch.

Kendall Jenner is all legs in TINY skirt while Hailey Bieber wows

Kendall Jenner & Hailey Bieber Convinced Us to Wear Leather to the Gym

Kendall Jenner and Hailey Bieber Take Luxe Leather to the Gym

Kendall Jenner and Hailey Bieber Wear Abs-Baring Sports Bra and

Kendall Jenner and Hailey Bieber Match in Matrix-esque Black Leather

Kendall Jenner & Hailey Baldwin Match In Crop Tops & Leggings

Kendall Jenner Frees the Nipple in a Completely Sheer Shirt for

Kendall Jenner and Hailey Bieber Hang Out at Pilates in Cute Crop

Kendall Jenner & Hailey Bieber Convinced Us to Wear Leather to the Gym

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Kendall Jenner and her best friend Hailey Bieber are seen leaving