What is Coats most recommended product for stitching of vulcanised / autoclave upper shoes?
Coats Gral is most recommended for upper and other polyester threads for other purpose, e.g. Gral and Astra for zigzag, Sylko FW for embroidery. The use of any Nylon threads may turn the thread to yellow after vulcanizing process.
What is Coats most recommended product for antiwick (AW) boots?
The most recommended Coats product for AW boots is Drybond AWF which meets all the major brand requirements.