Under Armour Charged Scramjet 4 (Big Kid)

How does a jet smash the sound barrier? Thrust and propulsion from a scramjet engine. The UA Scramjet 4 combines the speed of our original Scramjet with the power of Charged Cushioning® and the durability of a HeroFlex sole.

• Sublimated upper with molded panels provide extra protection & the ultimate comfort fit
• External heel counter for increased stability
• Plush sockliner maintains it's shape for all-day comfort
• Charged Cushioning® midsole uses compression molded foam for ultimate responsiveness & durability
• UA HeroFlex sole provides extra flexibility to help your foot you move smoothly in every direction
• Strategically placed rubber pods beneath the heel & forefoot for greater durability with less weight