version of one embodiment of the invention depicted in fig4 and fig5 the outer belt 120 is made of several independent piece parts assembled as seen in the figure for example the outer cover 122 and inner cover 123 are sewn to inner lateral panel these elements are attached to the lumbar panel 104 125 a and 125 b as well as lateral panel 127 a and 127 b fig1 is a perspective view of a lumbar panel 104 in this version of the lumbar support an h shaped batten 152 may flex out of the plane of the support 154 toward the small of the back this may be accomplished by a cable and pulley system as depicted in the figure a reel type winder 150 may take up the cable slack moving the batten 152 as an alternative the cables may be exteriorized and a velcro pull tab 144 may be used to set the flex of the batten as seen in other figures fig1 is a perspective view of a lumbar panel 104 in a relaxed state and attached to a lateral side panel 125 via a lacing or sewn construction the remaining structures are omitted for clarity fig1 is a perspective view of the lumbar panel 104 during the donning process the support panel 154 is sufficiently flexible that it can flex to accommodate the shape of the of the lumbar panel 104 which is seen in fig1 and depicted in the figure by arrow 155 showing curvature of the support panel 154 as the two belts are tensioned as indicated by closure arrows 132 and closure arrow 134 fig1 is a schematic view of an alternate embodiment of the back brace system in the process of fitment in this example two.