Caterpillar Dryverse 6" Waterproof Work Boot Women's CAT Footwear. The Dryverse work boot puts a woman in control. This traditional and classic style is waterproof keeping you comfortable and dry in wet conditions. It also features durable details including cement construction, a poured PU midsole and a rubber outsole. It also has electrical hazard protection against open circuits up to 600 volts (in dry conditions). With slip hazards always a possibility, the T870 outsole will have you covered and keep you on your feet. The 6” work boot was designed specifically for a woman, and tough enough for the long haul. ASTM F2413-05 1/75 EH Electrical Hazard Protection rated to protect against open circuits up to 600 volts in dry conditions. Cement Construction for added durability. Waterproof Full Grain Leather or Nubuck Upper keeps feet dry and protected. Nylon Mesh Lining for added breathability and comfort.