Design: Lightest shoes in collection Perforated tongue A fully waterproof membrane integrated into the upper blocks moisture without sacrificing breathability. TPU mudguard Closed Missiongrip outsole Equipped with re-engineered, multi-directional lugs for superior grip on mist terrains In-Shoe Comfort: Combines Helion(TM) superfoam with CloudTec(R) for unbeatable comfort Cushioned, light and comfortable on mixed terrain Additional Details: 70% recycled polyester 100% waterproof membrane for rain and river-crossings Versatile, agile and comfortable Strategically placed lace loops for optimal midfoot support