Nike Women's Pro Core 11" Compression Training Shorts 100% polyester Imported Tight fit delivers form-fitting mobility that's perfect for layering. Dri-FIT fabric keeps you dry and comfortable. Flatseam construction adds comfort and reduces irritation. Body: 80% polyester/20% spandex plain jersey. Gusset: 100% polyester crepe. 11" inseam. Imported.