Breathable mesh comfort material - The back correction band uses high-quality materials that are comfortable, lightweight, durable, and breathable. - The multi-faceted breathable mesh is soft to the touch and does not irritate the skin. Special design - Proprietary orthopedic design to correct shoulder-back posture in a comfortable way. - 360° strap wrapping with a simple hook-and-loop closure. - Back support provided by two 36.5 cm fiber keels. - Fully adjustable and breathable. - Easy to wear under clothing, helping you go about your day pain-free. Inconspicuous wear - Can be worn over clothing or under a top at work or in daily life and remains inconspicuous. - Particularly suitable for people with a slight hunchback, those who tend to look down while walking, and individuals who sit or stand for long periods. Adjustable comfort and size range - Available in 5 sizes: S, M, L, XL, XXL, based on waist circumference, height, and weight. - Please refer to the size chart and measure your parts before choosing the right size. - The adjustable elastic can be configured to any position you find comfortable. 2-3 practical use scenarios - Office or desk work: worn under a shirt to help maintain proper posture during long hours at the computer. - Daily commuting or travel: discreet enough to wear under clothing, reducing shoulder and upper back strain during long trips. - Studying or reading at home: supports the upper back and shoulders for extended study sessions without restricting movement.