Single Ply Yarn We exclusively use single-ply yarn because it produces the finest, strongest threads. It can only be spun from long-staple cotton, and results in light, soft, yet extremely long-lasting sheets. Long Staple Fibers we use only long-staple cotton because it produces the longest, strongest and finest cotton fibers in the world. Longer cotton fibers can be spun into stronger, finer yarns, and produce extremely smooth and supple weaves. Finest Threads The fine thread spun from single-ply, long-staple cotton which results in most Soft and comfortable sheets.