Assertion: foam | /r/ObjectUse | used as top layer
Facets:
value: sometimes
type: TEMPORAL
value: over softer foam
type: TRANSITIVE-OBJECT
value: in order to provide better footing
type: PURPOSE
Source sentences:
text: It is also sometimes used as a top layer over softer foam in order to provide better footing while the lower, softer foam adds some shock absorption.