The next level of lightweight spike starts with the Endorphin and ends with quick approaching finish lines. The lightest ride in today’s market, this spike has features to help you reach new speeds. OVERVIEW • Event: Track & Field • Surface: Track • Upper Details: A single layer of mesh and Flex Film makes the Endorphin the lightest spike on the market at only 2.8oz. • Bottom Unit Details: A 4-pin engineered spike plate helps to reduce weight and maximize traction and power. • Weight: 2.5 oz. | 71 g.