Nike Pro Cool Big Kids' (Girls') 3" Training Shorts (LG (14 Big Kids) X One Size, Hyper Jade/Volt/Volt) 3" inseam based on size medium. DRI-FIT fabric helps keep you dry and comfortable. Ergonomic seams enhance your range of motion. Flat seams move smoothly against your skin. Elastic waistband for a snug, comfortable fit. Fabric: Body: Dri-FIT 92% polyester/8% spandex. Gusset lining: Dri-FIT 100% polyester.