Dunlop Purofort: My favorite boot for working in nasty conditions. Good for mucking through manure, drilling rig worming, ditch digging, and frac water hauling. They take a licking, and keep on kicking! :
Dunlop Protective Footwear E76294304 Purofort Full Safety Boots with Steel Toe, 100% Waterproof Purofort Material, Lightweight and Durable Protective Footwear, Slip-Resistant, Men Size 4/Women size 6 : Clothing, Shoes & Jewelry - Amazon.com
Dunlop EC02A3306 Dunlop Purofort Plus Expander Full Safety Boot, Vibram Sole Omega - Size 6 - Walmart.com