More storage space. More security. Safely stow your card, keys or other essentials in the zipped back pocket. Plus, the roomy drop-in side pocket is perfect for keeping your phone handy for a post-run selfie. Always stay in your comfort zone by customizing your fit. And with the tights staying right where you want them by using the adjustable waistband, you can focus on all the right things – like chasing your PBs. We know you'll be moving a lot in these tights. So, we designed them to do the legwork. With premium engineering and smooth, moisture-wicking materials, the Performance Tights are next-level in running comfort and style.