Designed to push you beyond your limits, it combines carbon plate, lightness and shock absorption, following in the footsteps of Méline Rollin & Jimmy Gressier. Energy return: Fastech+ foam:Propulsion and maximum energy return during the race. Lightweight: Its super-light 185g weight (size 5) reduces fatigue and boosts performance. Cushioning: Fastech+ foam for long-lasting protection, even over marathon distances. Comfortable fit: Knitted upper and minimalist tongue for friction-free comfort.