Part of Nike's top-end race day AEROSWIFT range, the Nike DriFIT Aeroswift ADV 4 Inch Shorts in Black/Summit White utilize a lightweight woven fabric with DriFIT ADV technology to wick moisture and ensure maximum comfort and dryness. These shorts feature 4-way stretch fabric for unhindered movement with your stride. A Flyvent waistband offers breathability and a snug feel, while increased stitching at the side vents provides improved coverage over previous models. A knit liner offers extra support in a breathable design. The Nike Swoosh, made from non-reflective materials, is designed for perfect photos as you cross the finish line. Designed for Racing. Length: 4". Liner: Knit liner. Fabric: Lightweight woven. Storage: 4 drop-in pockets and zippered back pocket. Waistband: Elastic with drawcord. Machine wash. Not intended for use as Personal Protective Equipment (PPE). 88% polyester, 12% elastane.