Explore the innovative application of 3D printing in the fashion and athletic apparel industries, with a particular focus on Nike's groundbreaking FlyWeb technology. This new material, set to debut in a sports bra worn by Faith Kipyegon, is 3D printed from thermoplastic polyurethane (TPU) to offer seamless, tailored support, breathability, and comfort unlike traditional multi-layered garments. The articles highlight how 3D printing revolutionizes design, prototyping, and production processes, allowing for faster development cycles and customized high-performance apparel. Beyond Nike, the sources mention other fashion brands adopting 3D printing for intricate embellishments and cost-effective, independent manufacturing, signaling a broader trend towards engineered, next-to-skin wearables. Ultimately, the texts illustrate how additive manufacturing is reshaping the future of clothing construction and wearability.