Nike Air Max 720 x Undercover Trainers Nike joins forces with the Japanese streetwear brand Undercover once again on this exciting new collaboration. Nike Introducing a new silhouette- Air Max 720. This new shoe pays tribute to the past and champions the future. Nostalgic 90's inspiration from the retro Air Max 97 wave and futuristic elements such as the full-length Air Unit create a truly unique silhouette. Embracing the past, present and future the 720 has an emphasis on sustainability. More than 75% of the shoe's material construction is from recycled manufacturing waste.