Assertion: sleeping bag's shell | /r/HasProperty | durable
Facets:
value: for ground
type: PURPOSE
Source sentences:
text: Most sleeping bags come with standard features like heavy duty zippers, a durable shell, draft tubes and a stash pocket.
text: Lightweight water-resistant outer shell which is durable and soft “Thermo Trap” baffle design keeps the down in small compartments maintaining it
text: - Shells on both bags are durable enough for ground but soft enough to sleep on comfortably