Built for the land, the new Xplorer Collection is engineered from the ground up for rugged performance. Its aggressive outsole features 4mm lugs that shed debris and bite into uneven terrain, delivering assured traction where you need it most. A 3mm neoprene bootie and breathable mesh lining keep your feet cool, dry, and 100% waterproof while the new MaxFit Core footbed provides lasting comfort and support. The Xplorer was designed to keep you confident and agile on any terrain. Design: 100% waterproof, 100% MUCKPROOF 3mm neoprene bootie with DWR treatment In-Shoe Comfort: Breathable mesh lining Maxfit Core BioLite footbed Durability & Traction: Rugged, self-cleaning rubber outsole with 4mm lugs Additional Details: bioDEWIXa" Dry with NZYMa" uses natural, plant-based enzymes that break down odor-causing material in sweat and keeps your feet fresh