Open heel cutout & heel side ventilation openings.  Adj. foam elevation block optimizes positioning & heel lift. Adjustable straps allow adjustment for degree of foot drop control. Outer lining minimizes risk of friction & shear. Meets CA #117, Section E Flame Retardancy Standards.  #6145-Each Unisize Heel Guard: Dimensions: 14”L x 11”H  Latex Free UNSPSC#42241700