Plastic pelvic section extends from L2/L3 to the distal margin of the sacrum, providing maximum pelvic support for candidates with flaccidity or very limited trunk control. Single strap fixed front closure to secure torso support. 6 mm (size1) and 7 mm (sizes 2-4) diameter uprights. Increased posterior and side support. Proven results in several different independent studies. ”Childproof” thigh cuff closure.