Amazon.com: Women's Active Capri Leggings - High Waisted Yoga Pants - Super Soft & Stretchy Fabric - Comfortable Elastic Waistband - Activewear Yoga and Running Pants for All Activities, Dark Red :
Fabletics Activewear Fabric, Leggings Material & Technology | Fabletics
Best Fabric Choices for Workout Leggings: Aila Sew-Along - The Last Stitch