Breathable, high-quality material for comfort. You can wear it under clothing at work, at home, or during leisure activities. Improves your posture. The shoulder posture orthosis or clavicle orthosis helps correct the entire back posture, guiding you to a straight back and a healthier appearance. Relieves back pain. The device provides support for the upper back (thoracic and cervical spine) affected by poor posture while sitting at a desk. Adjustable fit. Fully adjustable strap fits most men and women. Simply tighten or loosen the strap to achieve a snug, comfortable fit for optimal results. Use scenarios - At a desk or office setting to maintain an upright posture and reduce neck/shoulder strain during long hours of sitting. - During commuting or travel to support a straight back when seated for extended periods. - During casual at-home activities or light exercise to provide back support and promote better posture.