The One and Only! Since 1973 the Burly has been the most preferred rubber hunting boot in history. For 30 years it’s stood the test of time. 100% ozone-resistant and scent-free rubber. Wool-felt midsole 9mm with polymeric foam insulated bottom for comfort and warmth. Chevron cleated outsole for traction. EVA removable insole cushion for comfort. Ankle-Fit design for a snug fit to keep boot on in the mud and wet terrain. Nylon lining with AgION antimicrobial protection for odor control. Fiberglass shank for a lighter weight with maximum arch support.