Assertion: sleeping bag's zipper | /r/CapableOf | prevent heat loss
Facets:
value: with baffle
type: MANNER
value: from the zip area
type: LOCATION
Source sentences:
text: Draft Tube Along Zipper Prevents Heat Loss
text: Short, central zipper (with baffle) prevents heat loss from the zip area and is easier for side-sleepers Very lightweight – excellent warmth-to-weight ratio