Asics - GT-2100 (Black/Black/Quicksilver) - Men's: For runners seeking a perfect blend of comfort, cushioning and support. Impact Guidance System (I.G.S.) is an ASICS design philosophy that uses linked componentry to encourage optimal gait while allowing for natural foot movement from heel strike to toe-off. DuoMax Medial Post ensures that the shoe maintains proper support for the foot during the critical transition from heel strike to toe-off. Full Length SpEVA Midsole Material for increased shock attenuation and midsole durability. DuoTruss System, a two density Trusstic System links the rearfoot and forefoot and maintains midfoot support. SpEVA 55 Last for increased cushioning and durability. Shoe weighs 12.0 oz.
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