Our latest iteration in the collection, Kinvara PRO is engineered to bring more efficiency to your daily running routine. SPEEDROLL technology works like an propeller gently rolling you forward with an accommodating 3/4-length carbon plate everyone will love. Like a trampoline, its bounce is joyfully addictive. Experience 90% energy return and ultimate spring in your stride thanks to PWRRUN PB cushioning. Built for the 99% of runs that keep you improving day after day - filling your run tank never felt so easy. This style is vegan and contains recycled materials.