Mammut - MTR 71-II Low Men - Trail running shoes

Rolling ConceptHybrid ShellSonar TechnologySingle Shell ConstructionRubber toe capLiquid Rubber ProtectionMidsole height 8 / 17 mmHeelDrop 9 mmThe patented Mammut sole concept with customized support and cushioning to support natural foot roll, and thus prevent fatigue (danger of twisting).The unique tread construction, designed to ensure maximum transfer of braking and impetus force, is inspired by the concentric pattern created sonar waves. This guarantees high lateral edge stability for steep traverses, a secure grip on slippery surfaces thanks to the flexible ribs and an integrated longitudinal arch support. The flexible ribs integrated in the wedge and the patented Rolling Concept ensure a rounded rolling movement combined with ergonomic support and cushioning.Constructed from a blend of supple inner and tough outer materials, which means the boot is hard only where necessary and can be designed to fit the foot for enhanced comfort.Zones featuring Liquid Rubber reinforcements safeguard the footwear against abrasion and damage. This rubber is applied when wet and is lighter than conventional rubber rands.Made from injection-moulded EVA (ethylene vinyl acetate), this wedge material is ultra light, damping, durable and abrasion-resistant.The unique tread construction, designed to ensure maximum transfer of braking and impetus force, is inspired by the concentric pattern created by acoustic (sonar) waves. This guarantees high lateral edge stability for steep traverses, a secure grip on slippery surfaces thanks to the flexible ribs and an integrated longitudinal arch support. The flexible ribs integrated in the wedge and the patented Rolling Concept ensure a rounded rolling movement combined with ergonomic support and cushioning.