Building upon the brand’s successful Zig technology, Reebok teamed up with movie action stars Josh Duhamel and Ali Larter to alunch Reebok RealFlex, an all-new running shoe that boasts “Natural Movement Perfected”. The RealFlex combines the benefits of barefoot running and a lightweight upper construction (9 oz.) with 76 independent “sensors” that promotes natural movement and flexion of the foot. The release of the shoe coincides with Earth Day, which falls in mid-April, and will be available at Reebok retailers such as Foot Locker, Lady Foot Locker, Finish Line, and more, so continue reading for a look at the all-new Reebok RealFlex as well as the celebs after the jump and let us know what you think.