Generally, these straps are made of leather, Nylon webbing, vinyl, metal grommets, plastic buckles, blood, sweat and tears.
Each strap description will cover where the materials come from. Here are a few key definitions:
Original Stock: This is the original used material taken off of the car itself. Often the original stock material from when the car was first built. Saved from the dumpster and up to 50 years old, these are one-of-a-kind limited edition straps.
Upcycled: Vintage pants, belts and other garments that have been upcycled into Riley G awesomeness.
Deadstock: Vintage fabrics and materials that are no longer being manufactured.
New Original Stock: This material can also be up to 50 years old, however, was never actually used. These too are limited edition straps.
New: Straight-up, brand new material.