Gigi Hadid is a stunning fixture on the catwalk, but it’s off the runway where she inspires us most. The poster child for the popular athleisure trend, Gigi managed to create her own unique brand of model-off-duty style. She brings an unstudied sex appeal to sporty pieces like sweats, sneakers and her favorite item of all, the crop top. How does Gigi manage to look perfectly pulled together in classic gym attire? As it turns out, it’s all in the details. Peruse the slideshow above for 10 tips to master the athleisure trend like Gigi.