This is the Lululemon Run Off Route Tank Top in a size 4 in heathered black with black mesh running down the sides. It’s in pristine condition, likely never worn. This lightweight, high-necked tank has Mesh fabric panels in hot zones to give you ventilation during your sweatiest training sessions.Fabric is sweat-wicking and four-way stretch features. Designed for: Run Relaxed fit, hip length: Layers easily and gives you room to breathe Full range of movement: Open, strappy back gives you full range of movement