This belt provides abdominal and lower back support and features two additional air support chambers with self-contained aspirator; ideal for medium lifting duties. • The two air stays, supplied with the belt, cushion and stabilise the back muscles. • Promotes proper lordotic curvature of the lower back. • Two-stage hook and loop closure system for exact fit with proper tension. • Five non-conductive rubberised stays prevent 'ride-up'. • Breathable elastic across back. Sizes: measure waist; add 2 inches if to be worn over clothing.