New APL Concept X Spring Based Technology Basketball Shoes Sneakers Mens 9

New win box APL Concept X Mens 9 women's size 10.5 Loan N Launch Carbon 10. They have High rebound foam nest, bottom plate,,full length carbon fiber plate , top plate , 10 coil springs , hinge plate in the box with a black dust bag. Retail for 450 These are the shoes the NBA banned because it helped the players jump too high.