The Spark Speed has been designed around an activity-specific anatomical last to match the ergonomic and biometric needs of fast hikers. The shoe has a moderately snug and agile fit to meet the needs of more sporty, demanding, and high-pace fast hiking.
The Pebax® foam plate of the Impulso technology sits in a balanced EVA midsole geometry, providing a lightweight, durable platform that supports the foot during intense fast hiking, keeping the shoe’s lateral stability when moving fast downhill or on uneven terrain. In addition, the V-Shaped ESS insert plate at the midfoot delivers torsional support and helps to prevent ankle injuries.
The midsole unit features Tecnica's exclusive Impulso technology that combines the benefits of a high-rebound EVA and a Pebax® elastomer insert placed at the mid and front foot. The result is a dynamic and propulsive stride while maintaining balanced cushioning, agile performance with a smooth and fast transition, and a responsive toe-off when pushing hard to reach the summit.
