Fabric sofas use soft fabrics like cotton-linen, velvet, and tech fabric. Cotton-linen suits Nordic/Japanese styles with breathable, rustic textures in light tones. Velvet offers warm, plush feels in rich colors for modern/luxury looks. Tech fabric is durable, easy-to-clean, and minimalist-friendly. Modular designs allow L/U shapes for varied spaces. High-resilience filling ensures comfort, with adjustable headrests or storage. Diverse colors/patterns fit all decors, adding softness to living rooms.