WATERPROOF: KEEN.DRY waterproof, breathable membrane keeps your feet dry in wet terrains; The NXIS EVO Mid Height Waterproof boot has a mesh liner 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-direction lugs provide optimal grip for sure footing in the most rugged terrain SUPPORT & COMFORT: Removable PU insole for long-lasting comfort; Compression-molded EVA midsole for cushioning; Ergonomic toe notch provides added dexterity for better balance FIT & DESIGN: Speed-lace webbing system with top collar hooks for comfortably snug fit; Original Fit–Iconic KEEN fit with generous space across forefoot for toes to spread out CARE TIPS: Gently brush the footwear with a soft, damp sponge to remove loose dirt and restore surface; Stains should be treated immediately with a gentle cleaner