1.Offers support: Back support, lumbar support, lumbar support belt, adapts to the lower back and supports it, promotes muscle relaxation and proper alignment of the back, increases the flexibility of the abdominal and back muscles through heat retention. 2.Material: The posture corrector is made of breathable, highquality materials and provides longlasting back support. It can be worn under your jacket. Designed for industrial and private use; suitable for any occupation and task. 3.Back support with 2 elastic bands: Designed to provide additional compression in the lower back area and thus prevent back injuries from heavy lifting, prolonged standing or sitting, housework, work, etc. 4.Comfort: 3D knitting technology with different compression levels for excellent fit, breathability and comfort.