Black One Shoulder Bow Knee Dress Black One Shoulder Ruched Maxi Dress Dresses PrettyLittleThing QA Akeeva Ruched Asymmetric One Shoulder Maxi Dress in Black Oh Polly Black One Shoulder Dresses. As a stylish and versatile addition to any wardrobe, our One Shoulder Bow Maxi Dress Black boasts a sleek and modern design. Its one shoulder style and bow detail add a touch of elegance, while its no zipper design allows for easy, comfortable wear. Perfect for any occasion, this dress is sure to make a statement.