This adjustable brace is designed to align your shoulders, spine, and upper back to improve posture and reduce slouching. It provides support to help prevent hunchback and relieve back pain. Made from lightweight, padded, and often breathable materials like neoprene or polyethylene, it can be worn comfortably under or over clothing. The dual-strap or adjustable design allows for a good fit to the human body and promotes long-term muscle memory for better posture