Superior Threads So Fine! 50wt Polyester Thread

So Fine! is a 50 weight polyester thread from Superior Threads: three plies of filament polyester with a matte finish, smooth and lint-free. Superior Threads recommends it for bobbin thread, quilting, and sewing.

Each cone holds 3,280 yards. The six colors are neutrals: Snow, Pearl, Putty, Silver, Smoke, and Black.