NIKE Women's Hyperfeel Cross Elite Running Shoes. Size 10. Black/White-Polarized Blue-Volt Features an ultra-lightweight Flyknit upper. Flexible drop-in midsole with soft, responsive cushioning of Lunarlon. Rounded heel provides a more natural range of motion. One-piece Flyknit upper features elastic threads for a comfortable, supportive fit. Outsole features deep flex grooves for durable traction.