New without tag/box Vivaia shoes in EU size 37.5 generally correspond to a US women's size 7 From site: Step into elegance with Bianca, the ultimate heel for any time of day. Featuring a comfortable low heel and a sneaker-like insole, these round-toe heels ensure maximum comfort. The delicate small bow adds a sophisticated flair, making Bianca an essential for any wardrobe. Perfect for those with a busy lifestyle, effortlessly wear them from morning meetings to evening engagements. These stylish heels offer both grace and functionality for every occasion. Round-toe 2.5cm/1'' heel Arch support Delicate small bow Upgraded ComfortWalk insoles Knit upper made from recycled plastic bottles Anti-slip outsole *Not machine washable **Note: The insole contains natural Artemisia argyi herbal. For individuals with allergies, please consult a medical professional before wearing.