Please click for the La Sportiva Size Conversion. ; The La Sportiva Mutant shoe transforms your trail performance to the highest level of agility, comfort, protection, and traction. ; Uppers are made of AirMesh, TPU, and four-way stretch dynamic scree guard for excellent breathability, flexibility, and abrasion protection. ; Aggressive, durable, neutral trail shoe. ; Built on the Tempo 2 Ergo