Barrier Waterproof Leather Work Boots Features: Comfort Rating: Effective for temperatures ranging from -10°F to 40°F. Insulation: 200g insulation to keep feet warm in colder conditions. Upper Material: 9" full grain leather upper for durability and protection against wet weather. Outsole: Anti-Slip RefrigiWear® outsole designed for enhanced traction. Safety Features: ASTM composite safety toe for impact protection. Electrical hazard compliant for safety on the job. Closure: Features a self-locking zipper and folding closure for a secure fit and easy on/off access. Comfort Technology: VitaComfort® anti-fatigue system to reduce foot strain. Gravity-fed moisture management system to wick away sweat, keeping feet dry and comfortable. Construction: Welted construction for added durability and strength. Rubber heel plate for easy kick-off. With the Barrier thermal work boot, you can confidently tackle the toughest challenges while staying warm, dry, and comfortable!