Premium neoprene field sports welly. Rugged & durable outsole with deep anti-clogs lugs. Extended rubber overlay to leg. Reinforced Achilles & toe, wrap-around toe bumper. 2mm thermal foam underlay to instep area. AIRMESH - Thousands of tiny vertical fires allow air to circulate throughout the interior surface. Excess humidity and perspiration are quickly wicked away, creating a comfortable environment for your feet. Stretch-fit topline binding snugs calf to keep warmth in and cold out. EVA moulded midsole with contoured footbed for added insulation & superb comfort. Neoprene Bootie. Comfort Range - -30C to 10C