Zero signs of wear. Only worn for 3 total miles. Carbon plated. Enter your flow-state in the Nike Zoom Fly 4. Equipped with an optimized mesh construction, this durable running shoe brings meaning to each mile by offering superior breathability and comfort. Built with high-strength Flyknit fibers for optimal stretch and support, the Nike Zoom Fly 4 brings heritage flex to your tireless attitude! Nike Zoom Fly 4 features: -Laced-up construction offers a secure, locked-in fit. -An internal heel pod helps keep your foot comfortable and better absorbs shock. -Four individual pieces of webbing that intertwine with the laces gives additional midfoot support. -Nike React technology is a lightweight, durable foam that offers instant responsiveness and energy return. -Thick foam combines with an internal carbon fiber plate for maximum flexibility in your stride.