Yonex Pro Racket Bag (BA924212) (12R)Targeted Players Top Advanced Players. Improved shape retention Front panel is divided into two sections at the top and bottom and designed with piping to improve distortion when carried on the back. New shoulder belt structure Improved construction and pattern so that the shoulder pads conform to the shoulders. Air mesh improves the softness of the shoulder contact. Modified the mounting position to prevent the shoulder belt from interfering with the