Ja looks like he's jumping off a trampoline when he's in full flight. The Ja 4? Gives you that same type of bounce, so you can soar all game long. Responsive Cushion 3.0 foam delivers explosive lift and cushions every landing. Its sleek containment system pairs with a supportive upper to help you stay locked in and ready to rise. Design: A foam sockliner sits on top of our bouncy Cushion 3.0 foam for optimal cushioning for those rim-rattling verticals. The lightweight, soft synthetic suede upper provides support for quick moves, The JA-frame wraps around the midfoot to help keep you contained for extra stability while staying shifty. The durable rubber outsole with a logo-inspired traction pattern grips the court like you own it so you can play fast and fearless. Additional Details Low-cut collar Elastic laces