One of the finest boots made for hazardous materials handling, the 16” Hazmat® Kneeboot with Ultragrip® Sipe Sole has a boot height of 16” and meets and surpasses NFPA 1991, 2000 edition for chemical permeation resistance requirements as well as meeting the requirements for optional chemical and biological certification and exceeding ANSI and CSA standards for dielectric footwear. Other features include a steel safety toe, a full steel midsole, a steel ladder shank, a one-piece injection molded construction that eliminates seams and replaceable cushioned insoles. boots are constructed of a high viscosity and flexible PVC alloy with a non-absorbent polyester lining for easy cleaning and quick drying. Please specify size when ordering. Sold by the pair. The EZ-Fit features a non-slip EZ decon outsole for easier decontamination and clean-up.