The new ultra-light AER55 styles from the dual.IMPULSE line look strikingly sporty thanks to their innovative upper material. The highly flexible breathable textile fabric adapts perfectly to your foot and fits seamlessly like a sock.Two pull-tabs for easy entryESD and metal freeExtremely lightweightBreathable functional liningComfortably-padded collar and dust tongueAnatomically formed comfit AIR footbedTPU heel supportTPU scuff cap