GT4L Women's Black Yoga Leggings | Four-Way Stretch | Raised Waistband UKGT4L Women's Black Yoga Leggings Four Way Stretch Raised Waistband UK #Classic black. Unstoppable flow. GT4L black yoga leggings the timeless activewear essential that works for everything. Four Way Stretch Fabric: 82% polyester 18% spandex that moves with your body in every direction from downward dog to HIIT, no restrictions. Raised Waistband: High rise, sculpting waistband that holds firm, flatters your silhouette, and stays put through every flow.