Breathable mesh comfort material The back correction band is built from high-quality materials that are comfortable, durable, lightweight, and breathable. It features a multi-faceted breathable mesh that is soft to the touch and does not irritate the skin. Special design Our proprietary orthopedic design corrects your shoulder and back posture in the most comfortable way possible. It provides 360-degree strap wrapping and a simple hook-and-loop closure. The back is supported by two 36.5 cm fiber keels. Fully adjustable and breathable, it can be worn easily under clothing, helping you move through your day without pain. Inconspicuous invisible wear This posture corrector can be worn over clothing or underneath a top at work or in everyday life and remains inconspicuous. It is especially suitable for people with a slight hunch, those who walk with their heads down, and anyone who spends long hours at work. Adjustable comfort and size range Available in five sizes: S, M, L, XL, XXL, chosen according to waist circumference, height, and weight. Please refer to the size chart in the pictures and measure before selecting the right size. The adjustable elastic can be set to any position you find comfortable. Use scenarios - Office or desk work: maintain upright posture during long computer sessions or meetings. - Daily commuting and movement: reduce slouching while walking or traveling. - Casual wear or under clothes: discreet support that you can wear throughout the day without drawing attention.