Durable, flexible, industrial weight rubber is hand-laid and vulcanized at high heat for 100% waterproof construction; ozone-resistant to prevent cracks and remain flexible in cold weather
Polymeric foam insulation for warmth in cold climates; soft 3/8" insulating felt insole for improved comfort; durable nylon lining make boot easy to slide on and off
Heavy-duty zipper closure allows for easy on and off; adjustable side strap for a snug fit; high-abrasion resistant TracTread outsole for traction on rough terrain
Ultra-composite shank reinforces construction and supports the arch; SAFE-TOE steel toe and SAFE-STEP steel midsole protect against impacts and punctures; ASTM F2413-11 M I/75 C/75 PR EH