Stylish, durable, and a hot fashion staple. These polyester/spandex leggings are made of a comfortable microfiber yarn, and they'll never lose their stretch. Fabric: 82% polyester, 18% spandex. UPF 50+ Made of a microfiber yarn, which makes the item smooth and comfortable. Four-way stretch fabric that stretches and recovers on the cross and lengthwise grains. Elastic waistband. Overlock and coverstitch.