ALO High-Waist Zip It Flare Legging. Zipper on the inside of leggings. Switch up your go-to silhouette with the High-Waist Zip It Flare Legging, made with our sculpting, breathable interlock fabric. It has a skinny waistband and invisible zippers at inside legs, so you can customize your flare. New without tags. Women’s size small.