For maximum shock absorption & comfortMemory foam compresses for safe clearance in steel toe footwearCost-effective alternative to expensive mattingErgonomically designed by a doctor, using a patented combination of high-density dual layer 100% memory foamClinically proven and field tested to reduce pain and fatigue while increasing balance and comfortSoft, contoured arch support for balance, comfort, and cushioningIdeal for stationary, mobile, and outdoor workersSilver ion anti-microbial technology in top clothAntibacterial, anti-perspiration, and anti-odourMachine washableFits size 10 - 11 men's and size 12 - 13 women's shoes