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The wear-with-anything skirt Alexis is obsessing over.
She also sang the praises of this supportive, sporty-chic bra top.
Season after season, Stella McCartney continues to design some of the cutest exercise apparel out there.
"Instead of wearing 'commuter shoes' or ballet flats, why not choose a really bright, colorful sneaker?" Alexis says.
"Phillip Lim did some really great, sporty neoprene pieces this season that I loved."
"I think the whole look goes back to the Marc by Marc Jacobs high-top," Alexis explains.