La Sportiva Mutant II Trail Running Shoes Extremely stable and versatile Mountain Running model suitable for trail and sky-race races and training over medium-long distances and on technical terrain. Renewed graphics inspired by the topography of the Val di Fiemme. Breathable Mesh Upper The Mutant Trail Running Shoes have a single breathable, abrasive-resistant mesh upper, to supply your feet with a constant level of airflow, in order to keep your feet cool and comfortable. Utilising SpyralTongue technology, the shoes combine the advantages of quick-fitting shoes with a traditional tongue and the protective features of having an integrated gaiter. The gaitor protects your feet by providing a sock-fit, containing your foot comfortably, whilst allowing flexible and comfortable movement, whilst simultaneously ensuring dirt and debris are prevented from entering to prevent discomfort. The shoes have FusionGate technology, which works in tandem with the lacing system,