The Progrid Trigon 5 Ride provides the luxury of a great fit while giving the neutral runner superb cushioning and flexibility. The Impulse EVA provides increased shock attenuation, responsive cushioning, durability and rebound properties. Saucony's latest impact deflection technology, Progrid, absorbs impact, dissipates shock and sets the foot up for a smooth transition. Breathable, moisture wicking, anti odor and anti microbial Ortholite insole provides improved step-in comfort with rebound properties. The HRC Strobel board provides increased cushioning and comfort.