G.T. JUMP ACADEMY EPNike G. T. Jump Academy EP 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. With its extra durable rubber outsole, this version gives you traction for outdoor courts. Two stacked midsole foams provide a cushioned landing after takeoff. Tall height and shape of the