Size 4, Olive, Servus Max, Seamless, Rubber Boots, TDT Technology, Injection Molded, 100 Waterproof To Ensure Workers Feet Are Dry Comfortable, Outsole Perimeter Is Formulated For Tough, Long Wearing Support, Centersole Is Dual Compounded For Cushioning, Long Wear Traction On Slick Surfaces, Steel Shank Is Longer, Wider Thicker For Outstanding Arch Support, Removable Foot Form Contour Cushion Insoles Provide All Day Comfort Support, Open Pattern Outsole Design Self Cleans Liquid Debris With Every Step, Helping To Prevent Slip Trip Hazards