MEGAComfort PAMESD-M1213 Personal Anti-Fatigue Mat ESD Anti-Static Insole,(1 per Pack), Yellow,black, Men's Size 12-13

ESD Anti-Static Threads Provides Electro-Static Dissipation Patented 100% Dual Layer Memory Foam; Ergonomically Designed By A Doctor Soft Contoured Arch Support for Balance, Comfort and Cushioning Silver Ion Technology in Top Cloth Offering , Anti- Perspiration and Anti-Odor Temperature Regulating Aeration Holes; Machine Washable