Specially built for trail running, with crazy cushioning, traction that grips even muddy terrain, and the extra protection trail runners need to keep going. Lightweight, engineered two-toned mesh upper construction for increased ventilation UA Storm technology treated upper repels water without sacrificing breathability Strategic overlays for added durability & protection in high-abrasion areas Molded sockliner forms to the foot, eliminating slippage & providing ideal underfoot comfort Charged Cushioning® midsole uses compression molded foam for ultimate responsiveness & durability Durable outsole with technical trail lugs for ultimate traction when going up & down the trails Durable outsole with technical trail lugs for ultimate traction when going up & down the trails