The GT-2000™ 11 is a stable and versatile trainer, ideal for covering different distances. The cushioning under the foot has been improved to make it more comfortable and dynamic. The midsole has been modified by introducing FF BLAST™ cushioning. This soft material promotes more cushioned landings and a responsive rebound. ?The LITETRUSS™ technology it is positioned inside the midsole to improve stability. Prevent your foot from rolling inward too much to allow for a smoother stride.