Airug is an embossed wide ribbed top surface that runs down the mat, that enhances the mats slip resistance while providing increased worker fatigue relief. The PVC closed cell foam construction relieves leg and back discomfort while providing a barrier to cold floors. Airug is intended for applications where basic anti-fatigue relief is required at a low cost. Airug is a low cost solution for workstations where workers are standing for long periods of time and basic anti-fatigue is needed. The PVC closed cell foam relieves leg and back discomfort while providing a barrier to cold floors.