NIKE Lady Pro Limitless Tank Top Vest Synthetic Dri-Fit Fabric - To wick sweat away to stay dry and comfortable. Rib Knit Construction - For a snug, supportive fit thats made for your movement. Knit-In Perforated - Front and back panels for added breathability. Seamless Construction - To minimise chaffing and increase comfort Racerback - For full range of motion