G.T. JUMP ACADEMYNike G. T. Jump Academy Basketball Shoes The spring loaded G. T. Jump Academy helps cushion your landing from skying for those boards. With a pair of soft foams stacked on top of each other and a curved heel, you can leap and land with confidence on any court. Two stacked midsole foams provide a cushioned landing after takeoff. Tall height and shape of the collar give you extra coverage and support when jumping high and often. Carved heel helps