Granite Gear 18L Base Pack Stuffer: The bottom pack stuffer is made from heavy duty Sil Cordura® that's designed to match the cross-sectional shape of your backpack. It's about time there's a packing system that fits perfectly inside your pack; ensuring there’s no room for load shifting, and no dead air space.
There are 3 sizes of Pack Stuffers. The large is the base layer, and goes on the bottom of your pack.
100D Cordura High Tenacity Nylon.
210D Nylon Top and Bottom
•3 Sizes - Top, Middle, Base.
•Compartmentalize your back.
•Heavier duty 100D construction increases longevity without compromising weight savings