• Dorsal and lumbar support with 2 flexible ABS support rods and 2 sealed fiber rods. • Professional human mechanics design to help open the shoulders and maintain posture. • Adjustable system with elastic adhesion that adapts to the body shape and provides a comfortable experience. • Soft and position-adjustable shoulder pads to prevent chafing and pressure under the armpits. • Made with breathable, durable, and washable mesh fabric to prevent overheating and sweat accumulation. • Suitable for use during work, study, yoga, driving, walking, or light exercises. • Comfortable and discreet design that allows it to be worn invisibly under clothing.