This sleek black onesie from Rainbow offers a chic, fitted silhouette perfect for both lounging and layering. Made with a comfortable stretch fabric, it hugs the body while providing ease of movement. The stylish design transitions effortlessly from day to night, making it a versatile addition to any wardrobe. Ideal for pairing with statement accessories or wearing solo, this onesie is a go-to choice for casual outings or cozy evenings at home.
