Saucony - Grid Trigon 3 Ride (White/Silver/Yellow) - Men's: The shoe that pioneered CRM (Customer Ride Management), available in Neutral Cushioning "Ride" option as well as a Supportive Cushioning "Guide" with the added security of a second density post. Breathable airmesh and supportive synthetic upper. Premium sockliner for step-in comfort and improved cushioning. 3M reflective. Compression molded EVA for responsive cushioing and shock attenuation. HRC XTRA in forefoot which provides cushioning through the later stages of the gait cycle. HRC strobel board for increased cushioning and comfort. SRC impact zone provides shock attenuation and sets up the foot for a smooth transition through the gait cycle. XT-900 carbon rubber outsole material which offers superior durability. Flex grooves in midsole and outsole are channels that allow the shoe to bend and flex properly with the natural motion of the foot.