We've redesigned our iconic Chore boot with a slimmer fit for women who love the outdoors. The classic Muck Boot neoprene adjusts to the unique contours of your foot, making these reliable boots flexible, 100% waterproof and lightweight. These tough boots feature a rubber overlay and quick cleaning sole, allowing you more time to get on with the important stuff. The upper is reinforced in both the toe and heel area, plus additional arch support giving you the protection you need. The 5mm neoprene makes these boots lightweight and flexible, with breathable air mesh lining to keep you cool on warmer days. Breathable Mesh Sandwich-fabric Lining Improves Air Circulation Quadruple rubber heel reinforcement 5mm Neoprene Bootie for Comfort and Performance Rugged Outsole Design bioDEWIX™ Anti-Microbial Footbed Insert Topcover with NZYM™ for Odor Control and Moisture Management Quick cleaning rubber outsole offers durability and traction on slick surfaces Reinforced arch support Pull tab for easy on/off Recommend half sizes order up Easy to Clean Rubber Overlays Built on a True Women's Last 100% Waterproof, 100% MUCKPROOF Steel shank for structural support