SOE jump boots. Made from black rubber with a grained rubber sole, with a rubberised fabric tightening strap at each ankle. A second strap at the top of the boot allows the calves to be tightened. NBRC stamp inside, dated July 194X. One boot is very soft, the other drier. SOE jump boots. Black rubber with ribbed rubber sole, a rubberized fabric strap at each ankle and a second strap higher up to tighten at the calves. Internal NBRC stamp dated July 194X. One boot very supple the other stiffer.