The Gore® Tenara® HTR Grey thread (Size 138) is a versatile choice for subtle, durable outdoor stitching. Its High Tenacity Reduced-lubricant finish makes it easy to sew on heavy fabrics without skipped stitches. Resistant to sun, mold, salt, and cleaners, the seams maintain their strength long after the fabric wears out. The neutral grey shade offers a sleek, modern finish for both residential and marine applications.