Aenergy Trail Speed Low Men | Mammut。Cruise through the trails and sprint to the finish line. These trail running shoes feature a dynamic midsole made from lightweight CORE Plus foam for excellent rebound and precise cushioning. This enhances comfort and reduces fatigue, so you can focus on speed over short-to-mid distances. A FLEXTRON PRO propulsion plate delivers powerful energy return and dynamic forefoot flex while providing just the right amount of torsional stability. A 360° TPU reinforced rand protects your feet from rocks, roots and debris as you take on the most challenging trails. The Aenergy Trail Speed Low shoes deliver the high-level agility, traction and durability you need to clinch that PB. Engineered with & certified by Flextron® Technology Vibram Megagrip Sole With Vibram Litebase Technology CORE Plus Vibram PFC-Free DWR Fair Wear