ARS Track SW is a high performance athletic track system. It is a water impermeable sandwich system where a polyurethane wear coat is broadcasted with EPDM granules installed on an in situ made base layer of SBR granules mixed with polyurethane binder. ARS Track SW is a high performance athletic track system. It is a water impermeable sandwich system where a polyurethane wear coat is broadcasted with EPDM granules installed on an in situ made base layer of SBR granules mixed with polyurethane binder.