The Black Diamond Stubby haul bag is built from tough vinyl-laminated nylon and can handle a severe thrashing. The suspension system is designed to offer solid comfort when carrying monster loads and tuck away in seconds. Double-walled skirts on all of Black Diamond's bags provide waterproofing and quick access to your gear. The Stubby is a sub-bag or single-push bag that also works well as a beefy cragging pack.