Under Armour Youth Boys Scramjet -Blue/Black (E1) Black keeping the foot stable during

keeping the foot stable during quick lateral movements and high-speed sprints

Tumble Dry Low: Use a low-heat setting to maintain the performance of the woven fibers

Rubber outsole for traction

Reflective Safety: The "Black Reflective" design includes hits of reflectivity to help keep her visible during low-light conditions or evening practices

Whether she's sprinting through gym class or navigating the playground

Under Armour Youth Boys Scramjet -Blue/Black (E1) Black keeping the foot stable duringUnder Armour Youth Boys Scramjet Blue Black Explosive Speed. Lightweight Agility. The Under Armour Youth Boys' Scramjet in Blue Black is engineered for the young athlete who never stops moving. Whether hes dominating the playground or sprinting toward the finish line, the Scramjet provides the perfect combination of breathable comfort and high energy return to keep him at the top of his game. Why the Scramjet is built for the fast paced athlete: