The Application layer of the Global Sustainable (Eco) Fibers Market segmentation reflects end‑use demand patterns across five key sectors. Apparel & Textiles remains the largest driver, responsible for about 45 % of market value, as fashion brands adopt eco‑fibers to meet consumer sustainability expectations. Home Furnishings follows with a 20 % share, where durable, low‑maintenance fibers are favored for upholstery and bedding. The Automotive segment, accounting for 15 %, leverages lightweight, recyclable fibers for interior trims and seat fabrics, contributing to vehicle weight reduction goals. Industrial applications—technical textiles, filtration, and geotextiles—represent 12 % of the market, emphasizing performance attributes such as tensile strength and chemical resistance. The residual 8 % classified as Others includes niche uses like medical textiles and sports equipment. This application‑focused breakdown underpins strategic investment decisions, as each segment’s growth trajectory directly influences the overall market size.