Thorogood's Interceptor Series features the Ultimate Shock Zone removable footbed. This ultra comfortable footbed includes a cushioned triple density polyurethane foot platform and compressed EVA arch support unit layered on top of a PVC heel-stabilizing cup. A full foot perforation pattern creates air motion cooling the foot. The heel stabilizing sole includes a visible PVC Chassis layered between the lightweight EVA midsole and the outsole. The all-terrain outsole includes slip-resistant and non-marking technology. All Interceptors include a breathable waterproof lining which is bloodborne pathogen compliant. They come in a 6-inch hiker or 8-inch with a heavy-duty YKK side zipper.