The Nike Up and Under Shorts: Maximum breathability on the court. Open mesh fabric keeps air flowing throughout the game in the fully-lined Nike Up and Under Women's Basketball Shorts, designed with contrast side stripes for a fresh athletic look. Benefits. Stretch waist with interior drawcord for a snug, adjustable fit. Allover mesh fabric and fine mesh lining for maximum breathability. Contrast stripes and side seam taping for athletic style and durability. Additional Details. Fabric: 100% polyester. Machine wash. Imported.