Muck Boots' most popular women's boot for any season. Lightweight with breathable mesh lining and a self-cleaning ribbed outsole makes this boot a must-have. 100% Waterproof. 5mm Neoprene Bootie for comfort and performance. Breathable mesh. Sandwich-fabric lining improves air circulation. Pull-on tab for easy on/off. Ribbed outsole for easy cleaning. BioDEWIX Anti-Microbial footbed insert. Topcover with NZYM for odour control and moisture management.