Upper is made with lightweight, breathable mesh, plus a lightweight seamless microfiber chassis. Bottom upper is sealed with EVA soft foam instead of non-woven material, which adds another soft layer for running. Innovative lacing system includes a lace eyelet system that runs around the ankle to the toe to create a light chassis closure that gives a very precise, comfortable fit. PU heel frame gives structure and stability. Breathable and lightweight mesh lining. Tongue and collar have soft padding for durable comfort. Alpinestars exclusive vulcanized rubber inserts protect the layered multi-sole made of two densities of EVA foam. Internal heel counter is layered under the upper. Anatomical-profiled footbed with EVA foam plus TPU arch support.

• Upper is made with lightweight, breathable mesh, plus a lightweight seamless microfiber chassis
• Bottom upper is sealed with EVA soft foam instead of non-woven material, which adds another soft layer for running
• Breathable and lightweight mesh lining

Upper is made with lightweight, breathable mesh, plus a lightweight seamless microfiber chassisAlpinestars