La Sportiva Mutant Trail Running is a stable, versatile mountain running shoe built for technical, medium-to-long distance trails. It stands out for its high-traction outsole and integrated gaiter system that keeps debris out on muddy or technical terrain. Key attributes: Black | Mesh | High-traction FriXion outsole suitable for soft/muddy terrain | Stable midsole with injected MEMlex EVA and stabilizer | Ergonomic Ortholite Hybrid footbed for comfort | Integrated lacing system with FusionGate™ reinforcements | Quick-fit gaiter opening for easy on/off | Volume regulation for secure foot hold | Ankle-height silhouette | Abrasion-resistant breathable mesh upper | Integrated gaiter (SpyralTongue™) | V-groove tread compatible with optional AT Grip Spikes | Dimensions & fit: Heel height: 26 mm | Forefoot height: 16 mm | Lug height: 6.5 mm | Ankle height | Composition & care: Upper: breathable, abrasion-resistant mesh | Lining: non-slip mesh | Midsole: injected MEMlex EVA with stabilizer | Outsole: FriXion rubber compound | Footbed: Ortholite Hybrid insole | Reinforcements: TPU FusionGate™