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 last. ; Spyraltongue technology for easy entry. ; TPU toe cap offers added durability. ; AirMesh lining with highly breathable lateral mesh inserts. ; Integrated Fusiongate technology lacing harness with high frequency reinforcements provide an excellent fit. ; Injection Molded EVA midsole with TPU stabilizer for all-day comfort and support. ; 26 mm heel / 16 mm toe / 10 mm drop. ; FriXion XF rubber outsole with Impact Brake System V-Groove provides superior traction and excellent grip. ; Imported. Measurements: ; Weight: 12 oz ; Product measurements were taken using size 45.5 (US Men's 12), width D - Medium. Please note that measurements may vary by size.