TheNikeSpark Flyknit is a lightweight running sneaker with a layered midsole (firm foam, plastic plate, and soft foam) and a dual-layer Flyknit upper. – Nike Spark Flyknit BURGUNDY CRUSH/BLACK-RACER BLU – 2 layers of Flyknit on the upper – Heel pillow and sculpted collar – 3-layers of material underfoot – Rubber outsole
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