Cap Sleeve Knee Length Black Work Dress David's Bridal Knee Length Ladies Office Dresses You don't have to go to great Elegant Sleeveless Work Dresses for Women's Round Neck Bodycon Sheath Semi Formal Work Dress Black White Colorblock Boat Neck Midi Dress Dresstells Women Black and White Midi Satin Work Dress A Line Short. Add a touch of professionalism and style to your work attire with this black and white sleeveless dress. With a knee length design and functional pockets, this semi formal dress is both practical and fashionable. Perfect for any work setting, this dress is a must have for any wardrobe.