Nike Air Force 1 Crater Sneaker - Size 6. Used condition! Nike's first Air-cushioned basketball shoe makes a big impact and a small footprint with a deconstructed mix of recycled materials including soft Crater Foam. The iconic Air Force 1 sole sports the distinctive speckled finish of Nike Grind rubber with crenellations along the tread that frame a star-studded bumper toe. • Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step • Nike Air unit in the sole provides lightweight cushioning • Crater Foam sole blends Nike Grind recycled rubber with a blend of foams for stability and a distinctive, speckled aesthetic • Synthetic and textile upper and lining/rubber and recycled rubber sole