Color: White | Summer Dune The GT-2000 11 shoe is a versatile stability trainer that's functional for various distances. Key adjustments in the midsole include our FF BLAST cushioning. This soft material helps promote softer landings and a responsive rebound. LITETRUSS technology is positioned on the inside of the midsole to improve stability. It helps prevent your foot from rolling too far inward, setting you up for a smoother stride.