The Nike Air Max 2021 All-new Silhouette Has An Engineered Mesh Upper With Panels Of Woven Textile And No-sew Skins For A Sleek Look. They Are Built With At Least 20% Recycled Materials By Weight, And Feature A Tonal Lace Up Fastening With Webbing Details And Floating Eyestays For A Fresh Look That Is Quick To Adjust.