New model! The Endorphin Trainer combines the new incrediRun cushioning foam with the familiar PWRRUN foam. The result strikes a well-balanced mix of responsiveness and softness. A genuine carbon fiber plate enhances performance, best suited for runners with good technique and strong fitness levels. In this model, the plate is three-quarters in length, making it slightly less demanding compared to shoes with a full-length carbon plate. The Endorphin Trainer is an excellent choice for mid to long-distance runs, ideal for runners whose endurance runs are more than just a jog and who have plenty of speed potential. - Standard fit - Stable running feel - Dual-foam cushioning system - Carbon fiber plate - 8 mm drop, heel stack height: 41 mm, forefoot stack height: 33 mm For Saucony fans: Compared to the Kinvara Pro, the Endorphin Trainer is designed with a greater focus on durability.