Description Flexible Neoprene: Not only does this create a more comfortable waterproof boot, it can easily be rolled down to keep you cooler when the temperature rises and dry quicker when it’s time to take them off. Comfort Liner: Quick drying and moisture wicking, our jersey knit liner will keep your feet dry and comfortable. Ozone & Tear Resistant Rubber: Built with more natural rubber than most other boots, our hand-laid rubber remains durable and waterproof year after year. Our ZXT rubber is specially formulated to be ozone and tear resistant for added protection. Active Fit: With a comfortable, secure fit to keep your foot in place while on the move, boots with Active Fit also go on and come off with ease. Neoprene Gusset: Durable, neoprene gusset accommodates different calf sizes and makes it easy to slide the boot on and off. All Arounder Outsole: A versatile outsole that’s built to shed the mud and muck. Its vulcanized construction ensures that it won’t ever separate from the boot and the integrated kick-off plate makes for easy, hands-free removal.