The Nike Air Zoom Alphafly Next% 2 Proto is a high-performance racing prototype designed for elite marathoners and serious runners seeking maximum speed and energy return. Featuring a full-length ZoomX foam midsole with dual carbon-fiber plates (visible as the black grid-patterned insert on the lateral side), it delivers exceptional propulsion and responsiveness. The upper combines lightweight, breathable Vaporweave mesh with strategic overlays for lockdown and durability, while the iconic black Swoosh and 'VAPORWEAVE' tag highlight its advanced material engineering. A distinctive grey circular sensor pad near the forefoot suggests integration with Nike's running analytics system. The shoe sits atop a sculpted white midsole with 'NIKE ZOOMX' branding on the heel, emphasizing its cutting-edge cushioning technology. Ideal for race day or tempo runs, it offers a snug, sock-like fit with a slightly aggressive toe spring for forward momentum. Though labeled 'Proto', this version appears to be a limited retail release—evidenced by the clean box labeling and size availability (US 8–9.5). Not intended for daily casual wear due to minimal heel counter support and specialized geometry, but unparalleled for competitive road racing. The clean white base with black accents creates a sleek, technical aesthetic perfect for performance-focused athletes.