... support .... What is neoprene:Neoprene is a kind of synthetic rubber via foam treatment, if change the component,will cause different ... skin. Sharkskin, cell and different fabric (usually be Nylon, Polyester, Super stretch fabric. Extend , Lycra and terry)are available.With such ... boots,wraps, pads, soft cases, & luggage shoulder straps etc . Neoprene rubber sheets