Asics GT 2160 Running Shoes - 9.5 Personal Heel Fit - A special foam heel construction that guarantees a perfect fit around 3M Reflective - 3M Reflective - Improved footwear visibility when running in low level lig *UPDATED* I.G.S - ASICS Impact Guidance System or I.G.S is a technical shoe design philoso Solyte Midsole - Proprietary cushioning material that provides an exceptionally lightweigh *UPDATED* DuoMax - A proprietary ASICS system that consists of two different density mids