The Saucony Kinvara 8 running shoes are the most exciting version to date. Now with a full-length EVERUN cushioning topsole and a truly minimal upper design, runners achieve the fast and free feel all throughout their run. This supremely responsive and flexible shoe promotes excellent turnover for speed demons looking to beat that next PR. This special Endless Summer edition features cool water graphics perfect for the season. Upper: FLEXFILM™ lightweight yet strong material allows for fewer layers in the upper for a seamless, flexible feel. Padded tongue and heel collar enhance comfort. Flat laces reduce irritation. Midsole: Full-length EVERUN topsole provides a lively, resilient ride while providing continuous cushioning and enhanced energy return properties throughout the run. Internal strap system embraces the midfoot where it's needed most. Removable insole. Outsole: Highly flexible outsole provides greater ground contact and freedom of movement.