NWT FP Movement by Free People Smooth Moves Tank in Black, Size: S So versatile and made for medium-impact activities, this sleek tank is featured in a breathable fabrication with a bold strappy back and crisscrossing elastic bungee cords. Fit: Formfitting, classic length Features: Four-way stretch, breathable fabrication, low compression level, interior shelf bra, strappy back with elastic bungee cords Why We <3 It: Perfect for any activity, this soft tank features an eye-catching back detail for a bold addition to your activewear collection.