The Nike Racer Women's Mid-Rise Running Tights feature Nike Power fabric that provides a range of stretch and support. Their wide waistband gives you the feeling that your core is supported—so you can feel confident and comfortable. Stretchy Support Nike Power fabric provides a range of stretch and support. This helps you move freely and power through the demands of every mile. Simple Storage A low-key pocket on the right leg lets you quickly slip in your phone and grab it quickly. For more secure storage, zip your phone up in the back pocket with a vapour barrier to help block sweat. Small pockets within the waistband hold a key, card or hair tie. Cooling Comfort Mesh sections on the back lower legs release body heat to help you stay cool. It features Dri-FIT Technology to help keep you dry and comfortable.