John Kim 
Today, Nike Sportswear at 21 Mercer kicks off the upcoming US Open event with the release of the Nike Sportswear Black Collection, which is available in-store beginning today at 21 Mercer. The Black Collection includes the Nike Air Tech Challenge II, which Sneaker News gave you a first look at last Friday, the Nike Tennis Classic PDM, and the all-new Nike Tech Fleece. Again, these are available in-store only so check out additional imagery of the available items below and head to 21 Mercer to pick up yours.
