The Progrid Triumph 6 from Saucony features full-length Progrid with Respon-Tek Sauconys latest impact deflection technology. ProGrid absorbs impact. Dissipates shock and provides a seamless transition from heel through forefoot. SSL EVA-An advanced EVA blend that maximizes rebound and durability while minimizing weight. HRC Strobel Board-Increases cushioning and comfort. Arch-Lock-Provides snug midfoot fit. Comfortride Sockliner-Breathable moisture wicking anti-odor and anti-microbial Comfortride insole provides improved step-in comfort with rebound properties. SRC Impact Zone-Provides shock attenuation and sets the foot up for a smooth transition. Impact Interface-Cushions and isolates heel impact. Moisture Wicking Lining-Moves moisture away from the foot