NWOT Waterproof: The KEEN.DRY waterproof and breathable membrane keeps your feet dry on wet terrain; the NXIS EVO waterproof shoe has a mesh lining that integrates with the waterproof membrane.Traction: KEEN.ALL-TERRAIN rubber outsole provides high-traction grip in muddy environments and on rocky surfaces; 4mm multi-directional lugs provide optimal grip for secure footing on the toughest terrainSupport and Comfort: Full-length stability shank for added support; ergonomic toe notch provides increased dexterity for better balanceFit & Design: Quick-lace strap system with top collar hooks for a comfortable fit; Original Fit: Iconic KEEN fit with ample room in the foot for toe splayCare instructions: Gently brush the shoe with a soft, damp sponge to remove loose dirt and restore the surface; stains should be treated immediately with a mild cleaner.