The Akyra II Gore-Tex is the ideal shoe for those who want to move with agility and speed on all paths, even the toughest, regardless of the weather conditions. The 3D Grid™ design of the KPU upper and the sole equipped with the Impact Brake System™ provide stability and support, while the Trail Rocker™ combined with a comfortable and flexible fit adds dynamism to every step. Additional protection even in the toughest weather conditions thanks to GORE-TEX Extended Comfort without PFC. Sole: Dual Compound Frixion XT Red with Trail Rocker + Impact Brake System Mountain Running. Insole: Ortholite 5 mm hiking. Weight: 390 1/2 PAIR. Midsole: Injected EVA with BIO-based components. Lining: GORE-TEX Extended Comfort. Upper: 3-layer upper design + 3D Grid™ design in KPU.