LIGHTWEIGHT, BREATHABLE COMFORT. The Nike Challenger Shorts deliver sweat-wicking comfort and optimal breathability. An internal brief lining helps keep you locked in and secure. Its 9" inseam hits slightly above the knee, helping you move freely on any type of run. This product is made with at least 75% recycled polyester. Benefits Nike Dri-FIT technology helps you stay dry, comfortable and focused. Mesh panels enhance breathability. Multiple pockets offer convenient storage. Elastic waistband has a comfortable feel and modern look. It has an internal drawcord to provide a personalized fit. Pocket on the center back has an envelope closure for secure storage. It is big enough to hold a phone. Product Details Standard fit Fabric: Solid: Body/lining: 100% recycled polyester. Side panels: 100% polyester. Heather: Body: 100% polyester. Lining/pocket bags: 100% recycled polyester.