Asics Gt-2000 12, as the name Suggests, is the 12th Edition of the shoe, but this time there are Significant Changes in the Design. Gt-2000 12 Remains a Stability shoe, but with a new 3D Guidance System to Provide this Stability. It's a more Adaptive Support that Adjusts to your Running style. The Platform of the shoe is also wider, again to Provide Stability. The Midsole has also been Upgraded, in this Edition it uses FF Blast+ Material, and Puregel in the heel. Gt-2000 12 Features an 8mm heel drop.