structure and stretch for a comfortable fit

greater flexibility

managing moisture and ensuring a secure

this pace-pushing racer enlists a propulsive carbon fibre plate

There is moderate cushioning throughout the sock for a secure fit with enhanced impact protection

Men's Mammut Aenergy Trail Endurance Ultra Low Size:13 structure and stretch for aThe Mammut Aenergy Trail Endurance Ultra Low is designed for mid to long distance trail runs. These shoes deliver powerful energy return, dynamic forefoot flex and torsional stability thanks to a FLEXTRON PRO propulsion plate. Lightweight Mammut CORE Ultra foam combines with Mammut CORE Plus foam for excellent rebound and enhanced cushioning and comfort throughout the day. A custom engineered midfoot structure and lacing system secures the foot for