Cotton wrapped polyester core sewing thread is a top quality core spun thread that combines the tenacity and strength of a polyester filament core with a natural cotton wrap. The polyester filament core offers excellent strength and durability, while the long staple wrap ensures excellent sewing performance and protects the core from needle heat. It's applicable for fine cotton, denim shirts and suits, fine fabrics and premium lingerie, leather goods, towels and home furnishings, classic jeans and outdoor wear.