The Columbia Trailstorm Mid Waterproof locks down the midfoot to keep you on balance and ready for sure-footed steps across unforgiving trails. Seam-sealed Omni-Tech waterproof. Breathable membrane bootie construction blocks out ground moisture from reaching your feet. Molded no-sew Thermoplastic polyurethane (TPU) film toe caps add lightweight protection against scuffs and abrasion. TECHLITE+ midsoles deliver responsive cushioning and stability on uneven ground. ADAPT TRAX outsoles with 4mm outsole lug depth ensure ground-gripping traction in wet and dry conditions. Upper made from leather and synthetic material. Lining and insole made out of textile material. Synthetic outsole.