Lightweight general purpose neoprene welly boot Features: Self-cleaning all-terrain outsole Sole wraps the perimeter of the boot for foot protection and stability Toe, heel and Achilles reinforcement for additional arch support Shank reinforcement for additional arch support Airmesh - Thousands of tiny vertical fibres 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 gives a snug calf fit to keep the warmth in and the cold out. Comfort range suggested for this boot is sub zero to 29C