New VECTIV ™ technology, with a 3D carbon fiber sole, geometric rocker midsole and SurfaceCTRL ™ grip, is designed to maximize energy on hiking trails. And the Flight Series ™ Vectiv ™ Shoes are the most responsive in our elite trail running range. Lightweight and reactive, they have been tested, evaluated and have become the trusted companions of our athletes. Made for ultra-long distances, they are incredibly durable thanks to Kevlar®, polyamide, Matryx® fabric and reinforced toe caps. The knit uppers are breathable and supportive, and the 6mm toe-to-heel drop takes you into your next gait cycle.