The most common materials for such packs are canvas and nylon,(polyester), either ripstop fabric for lightweight packs or heavier fabric such as cordura for more typical usage.

• 这种最常见的包装材料是帆布，尼龙，（聚酯），无论是轻型包装的格子面料厚重织物，如科尔迪尤拉更多的典型用法。