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 Hazmax EZ-Fit Boots - DQE
Dunlop Hazmax Tall Rubber Boots Safety Protective Steel Toe Mens Sz 7 Green | eBay