Muck Boots Calder Wellingtons are built to withstand even the harshest elements, thanks to their 100% waterproof design. Say goodbye to wet feet and hello to dry comfort as you tackle rainy days and muddy terrains with confidence. Standard Fit Waterproof Sole Has No Anti-Static Properties Sole Not Liquid-Resistant 100% Waterproof, 100% MUCKPROOF 4mm neoprene bootie Breathable mesh sandwich-fabric lining improves air circulation Durable rubber outsole with quick-cleaning multi-surface traction. Triple toe and quadruple rubber heel reinforcement for more durability and extended wear. Pull tab for easy on/off Standard Fit Waterproof Sole Has No Anti-Static Properties Sole Not Liquid-Resistant 100% Waterproof, 100% MUCKPROOF 4mm neoprene bootie Breathable mesh sandwich-fabric lining improves air circulation Durable rubber outsole with quick-cleaning multi-surface traction. Triple toe and quadruple rubber heel reinforcement for more durability and extended wear. Pull tab for easy on/off