Terra Kaia, Toura Low Cut Basewear Bra Size 6 Blue From the brand: "The TOURA Low Cut Basewear Top is our swim-friendly ultra-minimal sports bra designed for muscular builds and small cup sizes. Whether you're going hiking, climbing, or just hanging out on the couch – your Basewear is designed to fit so well, that you'll forget it's there. Join the thousands of customers who have replaced all their bras with Basewear tops."