Amazon.com: SGT KNOTS #69 Milspec Sewing Thread - Military Grade, Bonded Nylon Thread for Leather Stitching, Canvas Repair & More (8oz Spool, Tan499, 1pc)
Going to tag on to the CAP OCP posts that will inevitably flood this thread. Here's what I think they could/should look like. *NOT OFFICIAL UNIFORM! I just had way too much
You Don't Have to Match Your Thread - Threads
Vintage Sewing Thread Black Cone + 2 yellow cones+1 OD Green+lacing tape | eBay