My prefered thread for stitch resist shibori! It's thin and strong and slippery. You probably want to go thinner for shears and silks, but this is definitely my go to!
-Karin
Gutermann Upholstery thread is extremely high strength. It can be used on leather, vinyl coated fabrics, denim, canvas, and carpet materials. Soft and flexible ensuring neat, flat seams. No strength loss due to washing or dry cleaning. 100% Polyester. 300m (328 yd) spool.