GRLFRND Piper Super High Rise Slim in Black. Size 23, 24, 25, 26, 27, 28, 29, 30, 32. The Piper Super High Rise in High Line is a waist-hugging high rise style that stops just above the ankle. Show off your favorite shoe or cover up completely with a tall boot, the Piper is sure to be your most versatile pair of black denim.. 99% cotton 1% spandex. Made in USA. Machine wash. Button fly. 5-pocket styling. 14 at the knee narrows to 12 at the leg opening. GRLR-WJ499. GF45159461727. True to the iconic Supermodels of the 90s, GRLFRND denim pushes the limits of basics to a new level of cool. Inspired by the Cindy’s and Naomi’s of the world, the line is sleek with an edge and always concerned with a flawless fit.