Nike'Tuned Air' te chnology. "Tuned Air, " is a system of individual pods supposedly "tuned" to different areas of the foot.The item "Nike Air Max Plus Tn Kids Boys Girls PS University Red Grey White 306120 601" is in sale since Saturday, August 05, 2017. This item is in the category "Clothes, Shoes & Accessories\Kids' Clothes, Shoes & Accs. The seller is "inthecloset80" and is located in London. This item can be shipped worldwide.