Want help with that back pain? Proper Posture Our muscular system was designed to provide the support to our upper bodies including our heads which weigh a good amount.Yet in many cases we don't use our muscles, instead we use our spine thereby causing it severe stress which leads to excruciating pain.Proper contraction of the abdominals and some resistance to keep our shoulders back would yield the posture we need.The Underworks Posture Top can help Special resistant bands in an X formation from the back of your shoulders down to your sides keep your shoulders in the right position.A continuing band through your mid-section counters the pressure provided by the X bands and stimulates contraction of the abdominals.In addition, a specially contoured lower back panel helps prevent any stooping forward that may start in the lower back.All this inside a shell of a spandex nylon tank top make for a very effective solution.Proudly designed and made in the USA of US components.